God...
	Level select...
	Unlimited ammunition...

Start the game with the -edit command line parameter. Place the pointer in the game window and press [Shift] + Z, then press [Tab] to begin game play.

Start the game with the -f levels\level< 00-21 >.spe command line parameter.

Use a text editor such as notepad to edit the "lisp\options.lsp" file in the game folder. Enable mouse weapon switching in the file. Select any weapon other than the laser. Hold the Right Mouse Button when shooting that weapon and the ammunition counted for that weapon will be taken from the weapon on the left side.