Game Boy
Killer Instinct (USA, Europe) (SGB Enhanced) Killer Instinct (USA, Europe) (SGB Enhanced) Killer Instinct (U) [S][!]
Languages Size CRC32 Region Serial
English 512K AC793B54 USA, Europe DMG-AKLE-USA, DMG-AKLP-(EUR/UKV)
by nolberto82
Game Genie 
C35-18B-C41
C30-1CA-C41
by nolberto82
Game Genie 
22B-01B-7F6
C3B-00B-A21
by nolberto82
Game Genie 
C90-D1A-E69
C3B-4CB-A21