PlayStation. I haven't played all of these, but...

Final Fantasy VII
Final Fantasy VIII
Final Fantasy IX
Final Fantasy Tactics
Various Final Fantasy Ports
Wild Arms
Wild Arms 2
Grandia
Alundra
Chrono Cross
Breath of Fire III
Breath of Fire IV
Xenogears
Persona
Persona 2
Legend of Legaia
Legend of Dragoon
Valkyrie Profile
Suikoden
Suikoden II
Star Ocean
Star Ocean II
Parasite Eve
Parasite Eve II
Tales of Destiny
Tales of Destiny 2
Saga Frontier
Tactics Ogre
Lunar
Lunar 2

The list goes on, is this even a discussion or just a thread to celebrate the RPGs of the PSX?