Hrm, I'd recommend any of the following for the PSX:
-Loaded (not the Re-Loaded sequel)
-Castlevania: Symphony Of The Night
-Bushido Blade (I always loved playing it against friends for hours)
-Battle Arena Toshinden 1 or 3
-Star Wars Masters of Teras Kasi
-Worms Armageddon
-Resident Evil 2 and 3
-Metal Gear Solid
and.....
-Skeleton Warriors
Threaded Mode
