King of Fighters 99 Cheats

Bonus characters for the Japanese version:
Upon highlighting the normal version of one of the fighters below at the character selection prompt, hold L1 and push any button:

Omega Rugal
'95 Kyo
Real Bout 2 Terry Bogard
Real Bout 2 Andy Bogard
'94 Joe Higashi
'94 Ryo Sakazaki
'94 Robert Garcia
'94 Yuri Sakazaki
OrochiYashiro Nanakase
Orochi Shermie
Orochi Chris
Real Bout 2 Mai Shiranui
Real Bout Bout 2 Billy Kane

In-game reset:
Hold Start + Select almost anywhere in the game to return to the main menu.

Unlock Krizalid:
Highlight the random character icon at the player selection screen in team versus or single versus modes. Then, hold Select and press Circle, X, Triangle, Square. Krizalid will appear below the random character icon. REMEMBER: Highlight any character, then hold Start and press Square, Circle, X, Triangle, Square in the Japanese version of the game.

Alternate costumes:
Highlight a character then select him or her with LP or HP for normal colors, or LK or HK for inverted colors.

Display character order:
Hold Start when selecting your character's fighting order.

Hint: Hidden moves:
Every character has about two to four more moves than shown in the manual. Refer to the strategy guides section for more of their moves, or go to "Practice" and try to find them.