Toggle Clipping Mode
Enter nvaclip during gameplay to toggle clipping mode.

Toggle All Locks
Enter nvaunlock to open/close all locks on the level.

Level Skip
To skip levels, type NVALEVEL### and the number of the episode and level you wish to go to. For example, to go to tour of duty 1, level 4, type in NVALEVEL104.

God Mode
To activate god mode, type NVAGOD while playing.

Full Map
Enter nvamap to show the complete map.

Debug Mode
Enter nvadebug during gameplay to activate debug mode.

All Weapons
Enter nvablood to get all weapons and have an awful lot of fun.