King of Fighters '99 (PSX)

Use Krizalid:
At player select screen, go to roullette (question mark or random player)
hold the select button, then press Circle, X, Triangle and Ssquare. Krizalid will appear below the roullette.


Use Krizalid in Japanese version:
Krizalid is only available in Team vs. mode and single vs. mode.
Go to any character, hold start and press Square, Circle, X, Triangle, Square.
Krizalid will appear below the ? and in between Kyo and Iori.


Unlimited Survival Mode time:
Highlight survival mode option, hold Triangle + Start and hit Circle.