Quick Answer - Turn On Game Mode on LG TV (2021 and Newer):
Press the Settings (gear) button on your LG remote
Select All Settings
Navigate to General
Select Game Optimizer
Toggle Game Optimizer to On
For 2020 models: Go to Picture → Additional Settings → Instant Game Response instead. Make sure HDMI Ultra HD Deep Color is enabled first - this is the most common reason game mode won't activate.
If that five-step process worked for you, great - you're done. But if you own an older model, can't find the setting, or it's greyed out, keep reading.
LG has renamed and relocated its gaming settings across multiple WebOS versions since 2019, which makes finding the right menu path surprisingly confusing. This guide covers every LG TV from 2019 through 2026 - OLED, QNED, NanoCell, and UHD models included. You'll find step-by-step instructions organized by model year, alternative activation methods if you've lost your remote, ALLM configuration for automatic switching, and a complete troubleshooting section for common problems.
If you're wondering what does game mode do on lg tv, Section 1 below breaks it down with real input lag measurements. And for those who want to go beyond just "on/off," our coverage of lg tv game optimizer settings in Section 6 walks through every option.
What Does Game Mode Do on LG TV?
Here's the short version: Game Mode on LG TV (called Game Optimizer on 2021 and newer models) reduces input lag by disabling image processing like motion smoothing and noise reduction. This lowers the delay between your controller and the screen from roughly 80–110ms down to around 10–13ms, making gameplay significantly more responsive.
That might sound like marketing talk, so let's put real numbers to it.
How Input Lag Changes with Game Mode
Your TV applies a chain of image processing every time it receives a frame - motion smoothing (TruMotion), noise reduction, dynamic contrast adjustments, and more. Each layer adds a few milliseconds of delay. Individually, they're small. Combined, they stack up to a noticeable gap between pressing a button and seeing the result on screen.
Game Mode strips away most of this processing chain, prioritizing speed over image enhancement.
According to TechRadar's measurements on the LG C4 OLED, input lag with Game Optimizer on measured 11.9ms, dropping to 9.2ms when Boost mode was enabled. In Standard or Cinema modes, that same TV sits around 80–100ms. AVForums confirmed similar figures, reporting input lag at 9.2ms with 4K/60 and 4.7ms with a 120Hz signal.
Picture Mode | Input Lag (4K @ 60Hz) | Input Lag (4K @ 120Hz) |
|---|---|---|
Game Optimizer (Boost) | ~9.2ms | ~4.7ms |
Game Optimizer (Standard) | ~11.9ms | ~5–6ms |
Cinema / Standard Mode | ~80–110ms | ~80–100ms |
Data sourced from TechRadar, AVForums, and Tom's Guide testing of the LG C4 OLED.
As LG UK's own gaming guide notes, competitive gamers typically target input lag under 15 milliseconds, while casual gamers should stay under 40 milliseconds, and anything above 50ms becomes noticeably delayed. Game Mode puts you well within competitive territory.
LG's Game Feature Evolution
LG hasn't always called it "Game Optimizer." The naming has shifted with each WebOS generation, which is a big reason so many guides give conflicting instructions:
Pre-2020 (WebOS 4.x and older): A simple "Game" picture mode preset under Picture → Picture Mode
2020 (WebOS 5.0): Instant Game Response - found under Picture → Additional Settings
2021–2023 (WebOS 6.0 / 22 / 23): Game Optimizer - moved to General → Game Optimizer
2024–2026 (WebOS 24 / 25): Game Optimizer with expanded features including Game Dashboard, genre presets, and up to 165Hz support on 2025 flagship models
Understanding where your TV falls in this timeline saves you from following outdated instructions. If you're curious about how LG stacks up against the competition overall, our piece on whether is lg a good tv brand digs into their gaming advantages in more detail.
What Changes When Game Mode Is On
When you activate Game Optimizer, your LG TV:
Disables TruMotion (motion smoothing) to eliminate processing delay
Reduces noise processing to the minimum
Limits certain picture adjustments - some settings become locked to maintain low latency
Activates Prevent Input Delay to match the TV's refresh rate to the console's frame output
Enables access to Game Dashboard (2022+ models) for quick on-screen settings
The difference between Standard mode and Game Optimizer is immediately noticeable during fast-paced gameplay. Camera movement feels tighter, aiming becomes more precise, and that sluggish "swimming through molasses" sensation disappears entirely.
For those who want to how to reduce input lag on lg tv even further, combining Game Optimizer with a 120Hz signal and VRR gets you into single-digit millisecond territory.
Prerequisites Before Enabling LG TV Game Mode
Before you touch any game settings, run through this quick checklist. Skipping these steps is the number one reason people can't get Game Optimizer to activate - and the fix is usually a 30-second settings change.
1. Enable HDMI Ultra HD Deep Color
This is the most critical prerequisite. Game Optimizer will not activate - or will appear greyed out - if HDMI Ultra HD Deep Color is turned off for the HDMI port your console or PC is connected to.
Navigate to: Settings → All Settings → General → Devices → HDMI Settings → HDMI Ultra HD Deep Color → select the port your device is connected to → toggle to On.
As confirmed by LG's official support documentation, you must set the HDMI Ultra HD Deep Color function of the HDMI port connected to the device to On to enable the game optimization mode.
2. Verify Your TV Supports Game Optimizer
Game Optimizer is available on 2021 and newer LG TVs (WebOS 6.0+). If you have a 2020 model, you'll use Instant Game Response instead. Models from 2019 and older use the basic Game picture preset.
3. Use the Right HDMI Cable
For 4K at 120Hz gaming, you need a certified Ultra High Speed HDMI cable rated at 48Gbps. Standard High Speed cables work fine for 4K at 60Hz but can't handle higher refresh rates.
4. Update Your Firmware
Check for the latest firmware before proceeding: Settings → All Settings → General → About This TV → Check for Updates. LG frequently releases updates that add gaming features or patch known issues. For a full walkthrough, see our guide on how to update firmware on lg tv.
5. Check Your Console's HDMI Connection
Make sure your console is connected directly to the TV via HDMI - not routed through an older AV receiver or a non-gaming soundbar that lacks HDMI 2.1 passthrough. If you're using an how to connect lg soundbar to tv with eARC, confirm it supports 4K 120Hz passthrough before connecting your console through it.
You should also confirm you're using the correct HDMI port. If you're unsure about how to change hdmi on lg tv or which port supports HDMI 2.1, check the port labels on your TV's back panel - typically HDMI 1 and HDMI 2 are the 2.1 ports on most LG models.
How to Turn On Game Mode on LG TV Using Your Remote (Every WebOS Version)
This section covers the exact menu path for every LG TV generation. Find your model year below and follow the steps. If your remote isn't working, you may first need to check our guide on how to pair lg remote to lg tv or learn how to program lg tv remote for a replacement.
2024–2026 LG TVs (WebOS 24 / WebOS 25)
Applies to: C4, G4, B4, C5, G5, B5, and all 2026 models
Press the Settings (gear icon) button on your LG remote
Select All Settings
Navigate to General
Select Game Optimizer
Toggle Game Optimizer to On
Expected result: The Game Optimizer icon briefly appears on screen, and the picture may flicker momentarily as processing modes switch. On 2025 models (C5, G5, B5), you'll also see options for 165Hz refresh rate (G5) or 144Hz (C5) and Quick Frame Transport within the Game Optimizer menu. According to TechRadar's testing, all three 2025 LG OLEDs have a measured 9.2ms input lag time and feature Game Optimizer with customizable gaming settings.
2021–2023 LG TVs (WebOS 6.0 / WebOS 22 / WebOS 23)
Applies to: C1, G1, B1, A1, C2, G2, B2, C3, G3, B3, and QNED/NanoCell equivalents
Press the Settings button on your remote
Select All Settings
Navigate to General
Select Game Optimizer
Toggle to On
The path is identical to the 2024+ models. On some models, you may also need to change the Picture Mode to Game Optimizer separately - the toggle enables the feature, but you might need to select it as your active picture preset.
Expected result: Game Optimizer icon appears. The picture adjusts noticeably - colors may shift slightly, and motion will appear less smooth (TruMotion is now off). This is normal and expected.
2020 LG TVs (WebOS 5.0)
Applies to: CX, GX, BX, and 2020 NanoCell models
Press the Settings button on your remote
Select All Settings
Navigate to Picture
Select Additional Settings
Select Instant Game Response
Toggle the connected HDMI port to On
As confirmed by LG USA Support, the path is All Settings → Picture → Additional Settings → Instant Game Response.
Notice the different name and location. Instant Game Response was LG's predecessor to Game Optimizer - it serves the same core purpose of reducing input lag, but lacks the genre presets, Game Dashboard, and advanced controls found in newer models.
Expected result: A brief notification confirms Instant Game Response is active. If the setting isn't visible, ensure HDMI Ultra HD Deep Color is enabled for that port. You may also want to how to clear cache on lg tv if settings aren't appearing as expected.
2019 and Older LG TVs
Applies to: C9, B9, E9, and all pre-2020 models
Press the Settings button on your remote
Navigate to Picture
Select Picture Mode
Choose "Game" from the list
This is a straightforward picture mode change. There's no separate "Game Optimizer" or "Instant Game Response" - you're simply switching the TV's picture preset to one optimized for gaming.
Expected result: Picture mode label changes to "Game." Input lag drops significantly, and motion smoothing disables automatically.
Quick-Reference Table: Finding Game Mode by WebOS Version
TV Model Year | WebOS Version | Menu Path | Setting Name |
|---|---|---|---|
2024–2026 | WebOS 24/25 | Settings → All Settings → General → Game Optimizer | Game Optimizer |
2021–2023 | WebOS 6.0/22/23 | Settings → All Settings → General → Game Optimizer | Game Optimizer |
2020 | WebOS 5.0 | Settings → All Settings → Picture → Additional Settings | Instant Game Response |
2019 and older | WebOS 4.x and earlier | Settings → Picture → Picture Mode | Game |
Don't have your remote handy? The next section covers five alternative methods. You can also check out how to turn on lg tv without remote for getting the TV powered on first.
How to Enable Game Mode on LG TV Without a Remote
Lost your remote? Broken buttons? You still have options. Here are five ways to enable game mode on your LG TV without a remote, ranked from most reliable to most situational.
Method 1: LG ThinQ App (Recommended)
The LG ThinQ app is the most complete no-remote solution. It gives you full access to all settings, including Game Optimizer.
Download LG ThinQ from the App Store or Google Play (this has replaced the older "LG TV Plus" app)
Make sure your phone and TV are connected to the same Wi-Fi network - if you need help with that, see our guide on how to connect lg tv to wifi without remote
Open the app and tap "+" to add a device
Select Home Appliances → TV
Choose your TV from the list of detected devices
Enter the 8-digit verification code displayed on your TV screen
Use the app's virtual remote to navigate to Settings → General → Game Optimizer → On
As noted by LG's support documentation, once connected, the ThinQ app provides controls similar to the LG Magic Remote, including input selection, volume, channel control, pointer movement, and full menu navigation.
The ThinQ app is our recommended method because it provides full settings access and works reliably on both Android and iOS. If you're curious whether can i use my phone as a tv remote lg, the answer is yes - ThinQ turns your phone into a fully functional replacement remote.
Method 2: TV Physical Buttons
Most LG TVs have a joystick-style button on the bottom center or back panel.
Locate the physical button (check the bottom center, bottom right, or back panel)
Press it to bring up the quick menu
Use the joystick to navigate to Settings
Navigate through the menus to General → Game Optimizer
The physical controls are limited and navigation is slow, but it works in a pinch. Menu availability varies by model - some older TVs only give you volume, channel, and input switching through physical buttons.
Method 3: USB Mouse
Plug any standard wired or wireless USB mouse into your TV's USB port. A cursor will appear on screen, and you can click through menus exactly as you would on a computer.
Connect a USB mouse to any USB port on the TV
A pointer cursor will appear on screen
Click through Settings → All Settings → General → Game Optimizer → On
This method gives you surprisingly smooth navigation and full menu access.
Method 4: HDMI-CEC (Console Controller)
If your Xbox or PlayStation is connected, you can use HDMI-CEC to navigate TV menus with your game controller.
On Xbox: Go to Settings → General → TV & Display Options → Device Control → enable HDMI-CEC. Once enabled, you can navigate some TV menus using the controller's directional pad.
On PlayStation: CEC is enabled by default. Your DualSense can navigate basic TV menus through HDMI-CEC, though the level of control varies by TV model.
Method 5: Voice Commands
For LG TVs with built-in voice assistant support (WebOS 4.0 and newer), you can use Google Assistant or Amazon Alexa through a connected smart speaker or the TV's built-in microphone.
Try saying: "Turn on Game Mode" or "Open Game Optimizer"
For detailed setup instructions, check out how to connect lg tv to alexa or how to connect lg tv to google home. And if you'd rather not keep voice features active after setup, here's how to turn off voice command on lg tv.
For most people, we recommend the ThinQ app. It's free, fully featured, and more reliable than the other alternatives. Check our complete guide on how to control lg tv with phone for additional tips.
How to Set Up ALLM (Automatic Game Mode) on LG TV
Manually toggling Game Optimizer every time you boot up your console gets old fast. That's what ALLM fixes.
Auto Low Latency Mode (ALLM) is an HDMI 2.1 feature - not LG-proprietary - that lets your console automatically tell the TV to switch to Game Optimizer when a game launches. When you exit the game and start streaming a movie, the TV switches back to your preferred picture mode. No manual intervention needed.
How to Enable ALLM on Your LG TV
Navigate to: Settings → All Settings → General → Game Optimizer → ALLM → set to "Auto"
As described in LG's official support documentation, you can turn ON/OFF the ALLM function within the Game Optimizer menu, and when ALLM is set to Auto, the TV increases response speed for input signals from the game console.
Enable ALLM on Your Console
ALLM requires activation on both the TV and the console side.
PS5: Settings → Screen and Video → Video Output → ALLM → Automatic
If you need help getting your PS5 connected in the first place, our walkthrough on how to connect ps5 to lg tv wirelessly covers the basics. And if your TV keeps powering on your console unexpectedly through CEC, here's how to stop lg tv from turning on ps5.
Xbox Series X|S: Settings → General → TV & Display Options → ALLM → enabled by default (verify it's on)
For Xbox connection guidance, see how to connect xbox to lg tv.
Nintendo Switch Limitation
The Nintendo Switch - and the Switch 2 at launch - does not support ALLM. There's no way around this. You must manually enable Game Optimizer on whatever HDMI port your Switch dock is connected to. The same applies to any device that doesn't support the HDMI 2.1 ALLM protocol.
When to Disable ALLM
There's one trade-off worth knowing: when ALLM is set to Auto, the TV locks out certain picture quality adjustments during gameplay. If you're someone who wants full control over picture settings while gaming - adjusting color temperature, gamma curves, or noise processing manually - set ALLM to Off and manually select Game Optimizer as your picture preset instead.
How to Use LG Game Optimizer Settings & Game Dashboard
Turning on Game Optimizer is step one. Step two is understanding the settings inside it - because there's a lot more here than an on/off toggle.
Game Optimizer Settings Breakdown
Once Game Optimizer is active, you can access these settings through the full menu (All Settings → General → Game Optimizer):
Game Genre Presets - Choose from Standard, FPS, RPG, RTS, and Sports. Each adjusts black levels, sharpness, and sound profiles for different gameplay styles. Standard works well for most situations.
Prevent Input Delay - Two options: Standard and Boost. Standard reduces processing. Boost goes further by matching the TV's refresh rate precisely to the console's frame output, shaving an extra 2–3ms off input lag at 60Hz. Tom's Guide confirmed this, measuring 12.9ms of input lag with default Game Mode settings, dropping to 9.2ms when Game Optimizer's Boost feature was activated.
Black Stabilizer - Brightens dark areas of the image. Useful for competitive shooters where spotting enemies in shadows matters. Range is typically -30 to +30; values around +15 to +25 help visibility without washing out the picture.
White Stabilizer - Adjusts bright-area detail. Less commonly needed but helpful in games with lots of snow, bright skies, or flashbang effects.
VRR / G-Sync / FreeSync Toggles - Variable Refresh Rate prevents screen tearing by synchronizing the TV's refresh rate with the game's frame rate. G-Sync is NVIDIA's implementation, FreeSync is AMD's. LG OLEDs support both. If you're experiencing screen tearing, make sure VRR is on.
ALLM Toggle - Quick access to Auto Low Latency Mode without leaving the Game Optimizer menu.
AI Game Sound - Optimizes audio for gaming. The impact varies - it works better through the TV's built-in speakers than through external audio systems. Note that Bluetooth audio can sometimes interfere with Game Optimizer. If you're using wireless audio, check does lg tv have bluetooth for compatibility details.
Game Mode also disables TruMotion automatically. If you've been looking for how to turn off motion smoothing on lg tv, activating Game Optimizer handles it for you.
How to Access the Game Dashboard
On 2022 and newer LG TVs, pressing the Settings (gear) button during active gameplay brings up the Game Dashboard - an overlay that displays real-time information without leaving your game:
Start playing a game on your console or PC
Press the Settings button on your remote
The Game Dashboard overlay appears
The dashboard shows your current input lag (in milliseconds), active refresh rate, resolution, VRR status, genre preset, and quick-access toggles for common settings. You can switch genre presets or toggle Black Stabilizer right from this overlay. For deeper customization, pressing "All Settings" within the dashboard opens the full Game Optimizer menu.
If HDR behavior in Game Optimizer isn't looking right, you may want to check how to turn off hdr on lg tv and experiment with your HDR settings independently.
Best LG TV Game Optimizer Settings by Game Genre
Turning on Game Optimizer is the baseline. Tuning it for your specific gaming style is where you get the real edge.
Here's what we recommend based on testing across multiple game genres and confirmed by the LG OLED calibration community, including P40L0's widely referenced optimized settings guides on Patreon and ResetEra.
Setting | FPS (CoD, Fortnite) | RPG (Elden Ring, Zelda) | Racing (Gran Turismo, Forza) |
|---|---|---|---|
Game Genre | FPS | RPG or Standard | Standard |
Black Stabilizer | +15 to +25 | 0 to +5 | 0 |
Prevent Input Delay | Boost | Standard | Boost |
VRR | On | On | On |
Priority | Speed & visibility | Atmosphere & visuals | Smooth motion |
For competitive FPS games, cranking Black Stabilizer up brightens those dark corners where opponents hide. Combined with Boost mode for Prevent Input Delay, you're squeezing every possible millisecond out of your display chain.
For RPGs and story-driven games, you want to preserve the developer's intended atmosphere. Keep Black Stabilizer near zero so dark caves actually look dark, and leave Prevent Input Delay on Standard - the extra 2–3ms of lag is imperceptible in slower-paced gameplay.
If the image looks too dark with these settings, our guide on why is my lg tv so dark can help you troubleshoot brightness independently. And if color accuracy seems off after adjusting Game Optimizer, check how to fix blue tint on lg tv or try adjusting your how to adjust brightness on lg tv settings.
Advanced Option: Filmmaker Mode + ALLM (2023+ OLEDs)
The enthusiast calibration community has increasingly recommended using Filmmaker Mode (FMM) with ALLM enabled instead of Game Optimizer on 2023 and newer LG OLEDs. The reasoning is sound: at 120Hz, the input lag difference between FMM+ALLM and Game Optimizer is only about 5–8ms - imperceptible to nearly all players - but FMM delivers noticeably better color accuracy and image processing.
P40L0's optimized settings guide notes that you can enable Prevent Input Delay in Boost mode even when using ALLM + FMM by temporarily switching to Game Optimizer preset, enabling Boost, and then reverting to Filmmaker Mode. This is an advanced technique for picture-quality-focused gamers who want the best of both worlds.
If you want to learn more about Filmmaker Mode and how it compares, see what is filmmaker mode on lg tv.
Console-Specific Game Mode Setup for LG TV
Each gaming platform has its own quirks when paired with an LG TV. Here's a quick-start configuration for each.
Console | Max Resolution | Max Refresh Rate | ALLM | VRR | HDR Support |
|---|---|---|---|---|---|
PS5 / PS5 Pro | 4K | 120Hz | Yes | Yes | HDR10, HGiG |
Xbox Series X | 4K | 120Hz | Yes | Yes | HDR10, Dolby Vision |
Nintendo Switch | 1080p | 60Hz | No | No | No |
PC (HDMI 2.1) | 4K | 120–165Hz | Yes | Yes (G-Sync/FreeSync) | HDR10, Dolby Vision |
PS5 + LG TV
Connect your PS5 to an HDMI 2.1 port (typically HDMI 1 or 2)
Enable HDMI Ultra HD Deep Color for that port on the TV
On PS5: Settings → Screen and Video → Video Output - enable 4K, 120Hz, HDR, and set ALLM to Automatic
On the TV, Game Optimizer activates automatically via ALLM when you launch a game
For HDR, set the TV to HGiG mode (under Game Optimizer tone mapping settings) for the most accurate HDR representation
Xbox Series X|S + LG TV
Connect to an HDMI 2.1 port
Enable HDMI Ultra HD Deep Color
On Xbox: Settings → General → TV & Display Options - enable 4K, 120Hz, ALLM On, VRR On
Optional: Enable Dolby Vision for Gaming on Xbox for supported LG 2021+ OLEDs - this provides enhanced HDR visuals in compatible games
Nintendo Switch + LG TV
Connect the Switch dock to any HDMI port (HDMI 2.1 isn't needed)
Manually enable Game Optimizer - ALLM is not supported on Switch
Set resolution output to 1080p in Switch settings for the cleanest signal
Switch 2 note: at launch, check for updated ALLM/VRR compatibility
PC + LG TV
Connect via HDMI 2.1 cable to an HDMI 2.1 port
In the TV's Home Dashboard → All Inputs, change the HDMI input icon to "PC" - this enables 4:4:4 chroma subsampling for sharper text
Enable Game Optimizer on the TV
NVIDIA users: Enable G-Sync in NVIDIA Control Panel, set resolution to 4K @ 120Hz (or 165Hz on 2025 G5 models)
AMD users: Enable FreeSync in Radeon Settings
If you need help getting your computer connected, check how to hook up windows 11 laptop to lg tv. And for identifying which port to use, see where are hdmi ports on lg tv.
A note on gaming audio: Bluetooth headphones add latency that can undermine the low input lag you just worked to achieve. For competitive gaming, use wired headphones or a dedicated wireless gaming headset with a USB dongle. See how to connect bluetooth headphones to lg tv or how to connect wireless headphones to lg tv without bluetooth for setup options.
LG TV Game Mode vs Standard Mode: What Changes?
Here's a side-by-side comparison of what Game Mode actually changes compared to Standard or Cinema picture modes.
Feature | Game Optimizer Mode | Standard / Cinema Mode |
|---|---|---|
Input Lag (4K @ 60Hz) | ~9–13ms | ~80–110ms |
Input Lag (4K @ 120Hz) | ~4.7–6ms | ~80–100ms |
TruMotion (Motion Smoothing) | Disabled | Active |
Noise Reduction | Minimal | Full processing |
Dynamic Contrast | Limited | Full processing |
Color Processing | Simplified | Full color management |
Sound Processing | Game-optimized option | Full processing |
Picture Adjustability | Some settings locked | Full control |
When to Use Game Mode
Any time you're gaming on a console, PC, or cloud gaming service. The input lag reduction is dramatic and makes an immediately noticeable difference.
When to Switch Back
Watching movies, TV shows, or streaming content. Switch to Cinema, Filmmaker Mode, or Standard for enhanced picture processing that makes non-gaming content look its best. Our guide on how to turn off filmmaker mode on lg tv explains how to switch between modes.
Per-Input Settings: A Hidden Advantage
Here's something most guides miss: LG TVs store picture mode settings independently per HDMI input. This means you can have Game Optimizer active on HDMI 1 (where your PS5 is connected) and Cinema mode on HDMI 2 (where your streaming device sits) - and they won't interfere with each other. No switching needed when you change inputs. You can learn how to change input on lg tv for quick input switching tips.
The Picture Quality Trade-Off
Let's be honest: Game Mode does sacrifice some picture quality. Motion smoothing makes panning shots look fluid, noise reduction cleans up compression artifacts, and dynamic contrast makes HDR pop harder. You lose all of that in Game Optimizer.
That said, on LG OLEDs the visual difference is subtle at normal viewing distances. The self-lit pixel technology means blacks stay perfect and colors remain vibrant even with reduced processing. On QNED and NanoCell models, the visual difference between modes is more noticeable because those panels rely more heavily on processing to achieve their best picture.
Troubleshooting: LG TV Game Mode Greyed Out & Not Working
If Game Optimizer is greyed out, unresponsive, or not producing the expected results, work through these fixes in order - from most common to last resort.
Fix 1: Enable HDMI Ultra HD Deep Color
This is the cause in the vast majority of cases. Navigate to: Settings → All Settings → General → Devices → HDMI Settings → HDMI Ultra HD Deep Color → select the connected port → On.
As LG's own support page confirms, you can change the game optimization mode after setting HDMI Deep Color to On. Without it, Game Optimizer simply won't activate.
Fix 2: Check Your HDMI Port
Ensure your console is connected to an HDMI 2.1 port. On most LG TVs, these are HDMI 1 and HDMI 2. Some models reserve 2.1 capabilities for specific ports - check your TV's specification sheet or user manual.
Fix 3: Disable Energy Saving / Eco Mode
Energy Saving mode restricts certain features, including Game Optimizer. Navigate to: Settings → All Settings → General → Energy Saving → Off (or switch from "Auto" to "Off"). On some newer models, this setting may be labeled "OLED Care" or "Eco Mode."
Fix 4: Set Sound Mode to Game Optimizer (2023+ Models)
This one catches a lot of people off guard. On 2023 and newer LG TVs, both the Picture Mode AND Sound Mode must be set to Game Optimizer for all genre presets and settings to become accessible.
This fix was discovered by the community on AVS Forum, where a user confirmed: you need both Picture Mode and Sound Mode to be set to Game Optimizer to unlock the "genres". The same user noted that having a soundbar connected via ARC forced the Sound Mode to "AI Pro," preventing the Game Optimizer sound mode from being selected - temporarily switching the sound output to "TV" resolved the issue.
If you need to adjust your sound output settings, see our guides on how to turn off audio description on lg tv and sound mode configuration.
Fix 5: Disconnect Bluetooth Audio Devices
Bluetooth headphones or speakers can sometimes prevent Game Optimizer from fully activating or cause certain settings to grey out. Disconnect all Bluetooth audio devices temporarily and try again. See how to enable bluetooth on lg tv for managing your Bluetooth connections.
Fix 6: Label the HDMI Input as "Game Console"
In Home Dashboard → All Inputs, change the icon for the connected HDMI port to "Game Console". This can trigger game-related features on some models and WebOS versions.
Fix 7: Power Cycle the TV
A full power cycle clears stuck processes and temporary software glitches:
Turn off the TV
Unplug it from the wall
Wait 60 seconds
Press and hold the TV's physical power button for 10 seconds while unplugged
Plug back in and turn on
For more detail on this process, check how to reboot lg tv. The TV should power back on normally - if it doesn't, see why is my lg tv not turning on.
Fix 8: Update Firmware
Check for firmware updates: Settings → All Settings → General → About This TV → Check for Updates. LG frequently patches game mode issues through firmware. See how to update lg tv software for a detailed walkthrough.
Fix 9: Factory Reset (Last Resort)
If nothing else works: Settings → All Settings → General → System → Reset to Initial Settings
Warning: This erases all custom settings, app logins, and preferences. Treat this as a last resort. But it does resolve persistent software glitches that survive power cycles and firmware updates. For complete instructions, see how to factory reset lg tv. You may also want to how to clear cache on lg tv first, as this is less destructive and sometimes resolves the issue. And in case the reset triggers any odd behavior, how to get lg tv out of demo mode covers that scenario.
Frequently Asked Questions About LG TV Game Mode
Does game mode reduce picture quality on LG TV?
Game Mode does slightly reduce picture quality by disabling image processing like noise reduction and motion smoothing. On LG OLED TVs, the difference is minimal and often imperceptible at normal viewing distances. The significant reduction in input lag far outweighs the subtle visual trade-off for gaming.
The impact is more noticeable on LG QNED and NanoCell TVs, which depend more heavily on processing. For picture-quality-focused gamers on 2023+ OLEDs, the Filmmaker Mode + ALLM approach provides near-identical input lag with better color accuracy. And since LG stores settings per input, your movie-watching quality on other HDMI inputs is completely unaffected.
Can I customize picture settings in Game Mode on LG TV?
Yes. Game Optimizer provides access to several adjustable settings, including Black Stabilizer, White Stabilizer, game genre presets, and Prevent Input Delay. However, some settings like TruMotion and certain noise reduction options remain locked to maintain low input lag. The available adjustments give you enough control to fine-tune the gaming experience without compromising responsiveness.
What is the difference between Game Optimizer and Instant Game Response?
Instant Game Response was LG's game mode feature name for 2020 WebOS 5.0 TVs. Game Optimizer replaced it on 2021 and newer models, offering expanded features including genre presets, Black Stabilizer, White Stabilizer, Game Dashboard, ALLM toggle, and VRR controls. Both serve the same core purpose - reducing input lag for gaming - but Game Optimizer gives you substantially more control over the experience.
Does game mode work with streaming apps on LG TV?
Game Mode is designed for external HDMI gaming inputs, not built-in streaming apps. LG TVs automatically apply appropriate picture modes for built-in apps like Netflix, Disney+, and Apple TV+. Your Game Optimizer settings are stored per HDMI input and won't affect the streaming app experience.
Is Game Mode the same on LG OLED and LG QNED/NanoCell?
Game Optimizer functions identically across all LG TV types, but performance differs. LG OLEDs achieve the lowest input lag - around 9–10ms at 60Hz with Boost mode - because self-lit pixels can switch states nearly instantaneously. QNED and NanoCell TVs have slightly higher input lag due to backlight processing, but still benefit significantly from Game Optimizer compared to their standard picture modes. For a deeper comparison, check what is the best lg oled tv to see how different models perform.
Will my Game Mode settings reset after a firmware update?
Most firmware updates preserve your Game Optimizer settings. Major updates occasionally reset certain picture settings, though this isn't common. After updating, quickly verify that Game Optimizer is still enabled and your custom settings - Black Stabilizer value, genre preset, VRR toggle - are intact. You can check for new updates and manage your apps through how to update apps on lg tv.
How do I check my TV's input lag in Game Mode?
On 2022 and newer LG TVs, press the Settings button during gameplay to open Game Dashboard, which displays your current input lag in milliseconds in real time. For older models that don't have Game Dashboard, you'd need an external tool like a Leo Bodnar input lag tester - or you can reference measurement databases like RTINGS.com that test each model independently.
Should I use Game Mode for all HDMI inputs on LG TV?
Only enable Game Optimizer on HDMI inputs connected to gaming devices. For Blu-ray players, streaming boxes, or cable boxes, use Cinema or Filmmaker Mode instead. LG TVs store settings independently per input, so there's no need to switch back and forth - each input remembers its own picture mode. If you need to switch inputs without a remote, see how to change input on lg tv without remote.
Get the Most Out of LG TV Game Mode
Three things make or break your LG TV gaming experience.
First, enable HDMI Ultra HD Deep Color for every port connected to a gaming device. This single prerequisite solves the majority of game mode activation problems. Second, turn on Game Optimizer through Settings → General → Game Optimizer on 2021+ models (or follow the model-specific path for older TVs). Third, set up ALLM on both your TV and your PS5 or Xbox so game mode activates automatically when you launch a game.
With those three steps complete, you're gaming with input lag under 10ms on most LG OLEDs - a level of responsiveness that was reserved for expensive gaming monitors just a few years ago. The difference is immediately noticeable, whether you're aiming in a competitive shooter, timing jumps in a platformer, or threading through traffic in a racing sim.
Input lag drops from ~80–110ms to ~10ms. You'll feel it the moment you pick up your controller.