Amok
CBYXYC - Passcode for M2, P1
XABXAB - Passcode for M3, P1
AZCBXC - Passcode for M3, P2
YYBBCY - Passcode for M4, P1
BAXCXX - Passcode for M4, P2
ZAZACC - Show credits
ZZZCYX - Enables level select