With the latest 1.03 update, Rockstar Games has added 60fps support for Red Dead Redemption on the PS4, PS5, and Nintendo Switch.
Red Dead Redemption 2 finally playable at 60fps on PlayStation 5
Unlock Red Dead 2 AT 60 fps on PS5 : r/reddeadredemption
Red Dead Redemption can now be played at 60fps on PS5
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Hey guys, I just made this petition on change.org asking Rockstar to make a 60fps patch for next-gen consoles (PS5, Xbox Series X/S) : r/RDR2
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Red Dead Redemption Remaster Update 1.03 Adds 60FPS Option on PS5