Enter one of the following codes during game play to
activate the corresponding cheat function.

Code
Invincibility xaltforsej
Weapons group 1 xhitme1
Weapons group 2 xhitme2
Weapons group 3 xhitme3
Level skip xskipme
Advance to level 1 Boss xboss1
Advance to level 2 Boss xboss2
Advance to level 3 Boss xboss3
Advance to level 4 Boss xboss4
Advance to level 5 Boss xboss5