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PS1 Games on the New PS Plus Will Seemingly Have a CRT Filter Option and More - IGN
PlayStation 4 and PSVita Releases: PCSX-R port for the PS4 has been released allowing you to emulate PS1 games and ElevenMPV 2.1.0 released with many fixes! - Wololo.net
Resident Evil Director's Cut and more PS1 classics playable on PS4/PS5
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