Valve has not certified this game as Steam Deck compatible — often over anti-cheat or input requirements rather than performance. The settings below are our own, independent of this rating.
On the Steam Deck OLED, Once Human is tuned to run at 40 FPS, rendering at 1280x800 with FSR Balanced. Its native 800p OLED display refreshes at 90Hz, and SteamOS runs Once Human through Proton. These settings are compiled from 3 sources and 73% corroborated across independent guides. Verified current as of August 2026.
About the game
Mostly PositiveOnce Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world.
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In-game settings
Tap a row to check it off · compiled and verified from 3 sources · single-source value
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Frequently asked questions
Can Once Human run well on the Steam Deck OLED?
Once Human is playable at 40 FPS on the Steam Deck OLED with these settings. These values are 73% corroborated across independent guides.
What FPS does Once Human hit on the Steam Deck OLED?
With these settings Once Human targets 40 FPS on the Steam Deck OLED.
What resolution and upscaling are best for Once Human on the Steam Deck OLED?
Render Once Human at 1280x800 with FSR Balanced on the Steam Deck OLED.
What's different about running Once Human on the Steam Deck OLED?
The Steam Deck has a native 800p OLED screen at 90Hz and runs games through SteamOS (Proton), so these settings are tuned for that panel.
How do the Once Human settings differ on the Steam Deck OLED vs the ASUS ROG Ally X?
On the Steam Deck OLED this guide differs from the ASUS ROG Ally X on frame rate (40 FPS vs 60 FPS), resolution (1280x800 vs 1280x720). Notable in-game changes: Draw Distance (Low vs Middle), Motion Blur (Off vs Disabled), V-Sync (Off vs Disabled), Texture Quality (Low vs High), Display Mode (Fullscreen vs Full Screen).
Are these Once Human settings verified?
These settings are compiled from 3 sources, 73% corroborated, last verified Aug 2026.
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Steam Deck OLED vs ASUS ROG Ally X
On the Steam Deck OLED, Once Human runs frame rate 40 FPS (vs 60 FPS on the ASUS ROG Ally X), resolution 1280x800 (vs 1280x720 on the ASUS ROG Ally X).
Settings that change between the two
- Draw DistanceLow· ROGMiddle
- Motion BlurOff· ROGDisabled
- V-SyncOff· ROGDisabled
- Texture QualityLow· ROGHigh
- Display ModeFullscreen· ROGFull Screen
Steam Deck OLED-specific tweaks: Use Proton 7.0.6 for initial login, then switch to Proton GE 9.7 for performance., Half Rate Shading Off, GPU Clock Disabled, 80 Hz.