Red Dead Redemption no longer playable on PS4 or PS5

There is still a way to play, though.

Red Dead Redemption Remaster updated with 60FPS mode (PS5), Page 2

Red Dead Redemption No Longer Playable on PS4 and PS5

Red Dead Redemption Update 1.03 Brings 60 FPS Support For PS4 Pro/PS5, Patch Notes Here

Red Dead Redemption 2 PS4 and PS5 Compatible, Video Gaming, Video Games, PlayStation on Carousell

Red Dead Redemption for PS4 version 1.03 update now available, adds 60 frames per second option on PS5 - Gematsu

Red Dead Redemption PS5 Port Finally Gets 60FPS Update

Ps4 - Red Dead Redemption II Special Edition PlayStation 4 Complete NO – vandalsgaming

Red Dead Redemption for Switch and PS4 Is Up for Preorder - IGN

Red Dead Redemption's Switch and PS4 “conversion” is not the PS5 remake fans were hoping for

Red Dead Redemption, OT, Dead Man's Gun OT

PlayStation 4 - Wikipedia