Rebellion Developments’ action survival game , Atomfall, is now available on PC, and we’ve put together the best settings for getting optimized performance on mid-end system specs.
Before we delve into the best settings for Atomfall on PC and Steam Deck, make sure you’ve updated your GPU drivers and Windows to their latest respective versions. Additionally, disable or close any unnecessary background applications in order to reduce the CPU overhead as much as possible. The settings detailed ahead should provide a more optimized balance between graphics and frame rate compared to the presets available in-game.

Atomfall PC Best Settings
The settings below are there to serve as a broad starting point for further optimization based on your specific hardware specs. As a result, you may need to further tweak some settings until you find a sweet spot based on your display’s refresh rate and the overall performance you seek.
- Display Mode: Exclusive Fullscreen
- Resolution: as per the max resolution of your display or preference
- V-Sync: Off on a VRR or G-Sync supported display, otherwise On
- Foreground Frame Rate Limit: Unlimited on a VRR display, otherwise set as per your preference
- Background Frame Rate Limit: Match Foreground, or as per your preference
- Render Scale: 100%
- Anti-Aliasing: Ultra
- Shadow Detail: Medium
- Reflection Detail: High
- Draw Distance: High
- Texture Detail: Ultra (or High, depending on available VRAM)
- Water Detail: High
- Ambient Occlusion: On
- Screen Space Shadows: On
- Motion Blur: as per your preference
- Tessellation: On
- Obscurance Fields: On
How Does Atomfall Run On Steam Deck?
- Display Mode: Exclusive Fullscreen
- Resolution: 1280 x 800
- V-Sync: Off
- Foreground Frame Rate Limit: 60 fps
- Background Frame Rate Limit: Match Foreground
- Render Scale: 90%
- Anti-Aliasing: Medium
- Shadow Detail: Medium
- Reflection Detail: Medium
- Draw Distance: Medium
- Texture Detail: Medium
- Water Detail: Medium
- Ambient Occlusion: On
- Screen Space Shadows: On
- Motion Blur: as per your preference
- Tessellation: Off
- Obscurance Fields: On
As seen in the video above, Atomfall runs at a largely consistent frame rate of 60 fps on the Steam Deck at medium settings. As such, we recommend playing the game on Valve’s handheld device.