INVERSUS Deluxe (432980)

Compatibility Report

• Name of the game with compatibility issues: INVERSUS Deluxe
• Steam AppID of the game: 432980

System Information

Steam Deck 512GB

• GPU: AMD Custom GPU 0405
• Driver/LLVM version: 4.6 (Compatibility Profile) Mesa 22.0.0-devel (git-676ccacebc)
• Kernel version: 5.13.0-valve10.1-1-neptune-02144-g7fffaf925dfb
• Link to full system information report as Gist: https://gist.github.com/James76931/684d2b483ba6cad6ea52a4d339921c5e
• Proton version: 7.0-1, Experimental, 6.3-8, 4.2-9

I confirm:

• that I haven't found an existing compatibility report for this game.
• that I have checked whether there are updates for my system available.

(Logs captured when game is launched using DirectX 11)
Proton experimental-7.0-20220310:steam-432980.log

Proton 4.2-9: steam-432980.log

Symptoms

In Proton versions 7.0-1, Experimental, and 6.3-8, INVERSUS Deluxe typically fails to start. The screen briefly flashes white and the game closes. On the odd occasion that INVERSUS Deluxe boots properly, gamepad input fails to be recognised.
Proton 4.2-9 appears to work significantly better, with every aspect of the game functioning minus audio output.

Reproduction

Download the game on a Steam Deck (512GB), run it, and if using Proton 4.2-9 turn up system volume.

Start by reproducing INVERSUS Deluxe on Steam Deck with Proton 7.0-1, Experimental, 6.3-8, and 4.2-9, then compare the attached steam-432980.log files. Investigate the launch failure, gamepad input, and audio behavior; done means the game starts reliably with working input and audio.