Since SteamOS 3.5 finally released into stable, I’ve been looking forward to try out PS3 emulation on the Steam Deck, especially the Uncharted series & MGS4.

Long story short, performance was rather subpar, with frequent FPS drops.

Looking around, I came across this post on Reddit:

https://www.reddit.com/r/SteamDeck/comments/16ydaoz/mgs4_on_rpcs3_with_full_visual_effects_on_the/

After applying the tweaks referenced there, I really did saw a boost of a few more additional frames, but the real improvement is that the frametimes become more even, resulting in noticeably less stuttering.

With a 50 % resolution render scale, Uncharted 1 can be considered playable on the Steam Deck, IMHO.

Hope these tweaks help you guys out, too!

  • SirenMix@alien.topB
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    10 months ago

    Are Motorstorm Pacific Rift and Apocalypse playable now ? I cannot test right now, I probably will one day, but I’m wondering if anyone tried recently (with the steam update and all).

    • kemikalious@alien.topB
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      10 months ago

      Was it even playable in rpsc3? Last I checked it on my pc it couldn’t properly render most of the post effects

      • BtotheDon@alien.topB
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        10 months ago

        In my experience Pacific Rift was pretty good after tweaking. Apocalypse was a little more rough but I found it mostly playable. And I have a pretty modest/old build.

    • BtotheDon@alien.topB
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      10 months ago

      Exactly what I came to the comments wondering, I’ve been playing Arctic Edge on the deck but I’d love to be able to play the PS3 games.