Whitelist Request

• Name of the game to be whitelisted: Dungeon Defenders II
• Steam AppID of the game: 236110

System Information

• GPU: GTX 980
• Driver/LLVM version: nvidia 410.66-4
• Kernel version: 4.19.arch1-1
• Link to full system information report as Gist: https://gist.github.com/ProfessorChill/761ec5bbd91ea558daec39db4b216442
• Proton version: 3.7-8

I confirm:

• [X] that pressing the Play button in the Steam client is sufficient.
• [ ] that runtime config options are necessary to run the game.
• [x] that no workarounds other than the mentioned ones are necessary.

Issues

• [X] I haven't experienced any issues.
• [X] There are no issues left open for this game.
• [ ] Although I consider the gaming experience equal to Windows there are remaining issues:

This is not an issue so I am not going to check it as an issue.
The game is laggy as heck, this could impact gameplay a bit.