PS3 emulator RPCS3 can now play Demon's Souls at 60FPS thanks to a patch | GamingOnLinux
Latest RPCS3 Version Improves the Emulator's Accuracy, Fixing Many Visual Issues in Infamous 2, Demon's Souls, GoW 3, and More
Mods at Demon's Souls Nexus - Mods and community
Demon's Souls | PS3 vs PC Emulator (RPCS3) | 4K Graphics Comparison - YouTube
Technology really has improved... playing Demon's Souls with PS3 emulator on my PC, streamed to my smartphone and using a Bluetooth controller : r/gaming