Here are some cheats and tips for the game Golga 13: The Mafat Conspiracy.
GXOGZZVG Infinite bullets
IASGUSZA Fewer bullets picked up
GPSGUSZA More bullets picked up
AZNIEXGL Faster timer
GZNGOTOY Immune to physical damage
GZOKSSON Immune to weapon damage
GXNGPOSN Immune to damage in maze
XTNIVXXK Stop timer
AYNIEXGL + AYVISXGL Slower timer