Level               Code
------------------------
Insecurity          Barney goes to work
Duty Calls          Red and scary
Captive Freight     Combat and trains
Focal Point         Barney visits Xen
Power Struggle      Power is progress
A Leap Of Faith     Physics is beautiful

if you have a keyobard fo your dreamcast you can hit tild (~) in game
and to turn cheats type

sv_cheats 1

then enter the following for cheats

god - God mode
Noclip - move through walls and fly
impulse 101 - all weapons


ther you go. I hope to see these in a future release!!! :D