Inca: The Mayan Adventure Codes -

Skip to Mayan Temple:
Press [F1] at the restore game screen. The password to skip the first twelve levels will be displayed.

Cheat mode:
Enter one of the following codes to activate the corresponding cheat function.

Effect	Code
Display next save password	[Left Shift] + [Right Shift] + [Esc]
Instant kill enemies	[Ctrl] + [Alt] + Fire
Full power	[Shift] + [Ctrl] + [Alt]
Full lives and power	[Shift] + [Ctrl] + [Alt] + inca