The King of Fighters '97 Plus (c) 2003 Unknown.

>>> TECHNICAL DETAILS
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SNK Neo-Geo MVS hardware
Main CPU : 68000 (@ 12 Mhz)
Sound CPU : Z80 (@ 4 Mhz)
Sound Chips : YM2610 (@ 8 Mhz)
Screen orientation : Horizontal
Video resolution : 320 x 224 pixels
Screen refresh : 59.19 Hz
Palette colors : 4096
Players : 2
Control : 8-way Joystick
Buttons : 4
=> [A] Weak Punch, [B] Weak Kick, [C] Strong Punch, [D] Strong Kick

>>> TRIVIA
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This hack 'The King of Fighters '97' unlocks 6 new characters : Orochi Iori, Orochi Leona, Orochi Yashiro, Orochi Shermie, Orochi Chris and Orochi the final boss.

>>> OTHER GAME RESOURCES
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Game's rom.