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Update: shortly after this, another Proton Experimental update for April 21 was put up, with all the changes from Proton 7.0-2 in addition to this:

  • All changes from Proton 7.0-2.
  • Now playable: Age of Chivalry, Chrono Cross: The Radical Dreamer Edition, Saviors of Sapphire Wings/Stranger of Sword City Revisited, Iragon: Prologue, One Piece: Pirate Warriors 4, Atelier Meruru.
  • Fix Resident Evil Revelations 2 not starting on the Steam Deck.
  • Fix non-steering-wheel controller support in WRC10.
  • Update file distribution method to save disk space.
  • Improve steering wheel detection.
  • Update Wine Mono to 7.2.0.
  • Update dxvk to include the latest development work.
  • Update vkd3d-proton to v2.6.
  • Update dxvk-nvapi to v0.5.4.

Original article below:

Valve recently put up a new version of Proton Experimental, the compatibility layer that runs Windows games on Linux and the Steam Deck handheld. Proton has a few stable versions like Proton 7 and Proton 6.3 but Experimental brings in changes quicker than need a little more time testing.

This new build actually went up on April 18, which I completely missed.

Newly playable on Linux (and possibly Steam Deck too) include:

  • One Shot
  • One Shot: Fading Memory
  • Age of Chivalry
  • Chrono Cross: The Radical Dreamer Edition
  • Saviors of Sapphire Wings / Stranger of Sword City Revisited.

Other changes include a fix for Resident Evil Revelations 2 not starting on the Steam Deck, Wine Mono (a replacement for the .NET Framework) was upgraded to version 7.2.0 and dxvk-nvapi (NVAPI implementation on top of DXVK) to version 0.5.4 for a small bug fix. The changelog can be seen on GitHub.

Need to know how to switch to Proton Experimental on a Steam Deck? Here's how:

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Many more Steam Deck Guides available on our dedicated YouTube Playlist.

Text guide (Steam Deck):

  • Pick a game and head to the little COG icon on the right.
  • Click Properties, then Compatibility on the left.
  • Make sure the tickbox is done, then select it from the dropdown.

On a Linux desktop:

  • Right click a game, go to Properties.
  • Compatibility on the left.
  • Make sure the tickbox is done, then select it from the dropdown.
Article taken from GamingOnLinux.com.
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly came back to check on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly. Find me on Mastodon.
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4 comments

rcrit Apr 21, 2022
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There was another build today (Apr 21). The only change in this is marking Elden Ring as playable.
Liam Dawe Apr 21, 2022
Quoting: rcritThere was another build today (Apr 21). The only change in this is marking Elden Ring as playable.
That was in Proton 7.0-2.
rcrit Apr 21, 2022
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Sigh, yeah, I guess the diff context didn't include the version and I assumed, and we know what happens when one does that.
CyborgZeta Apr 22, 2022
Fatal Frame: Maiden of Black Water is playable with Proton Experimental now. Certain cutscenes don't work, but that's nothing new. Same issue with lots of other games.
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