I wanted to provide compatibility feedback for SpaceEngine on Steam Deck.
I tested the game on a Steam Deck OLED and found that it works fully when using Proton 9. Proton Experimental caused the game to crash during startup, but Proton 9 allowed it to launch and run normally.
I also had to change the game's input mode to Controller in order to use the Steam Deck controls properly.
The game runs at roughly 85–100 FPS in open space and around 45 FPS near more detailed objects with my settings.
One issue I found is that enabling planetary rings caused the game to crash, so I currently keep rings disabled.
Other than that, SpaceEngine has been fully playable for me on Steam Deck using Proton 9.
I thought this might be useful for your Steam Deck compatibility information.
Hello valve,
I wanted to provide compatibility feedback for SpaceEngine on Steam Deck.
I tested the game on a Steam Deck OLED and found that it works fully when using Proton 9. Proton Experimental caused the game to crash during startup, but Proton 9 allowed it to launch and run normally.
I also had to change the game's input mode to Controller in order to use the Steam Deck controls properly.
The game runs at roughly 85–100 FPS in open space and around 45 FPS near more detailed objects with my settings.
One issue I found is that enabling planetary rings caused the game to crash, so I currently keep rings disabled.
Other than that, SpaceEngine has been fully playable for me on Steam Deck using Proton 9.
I thought this might be useful for your Steam Deck compatibility information.
Best regards