Liero

Liero cheat codes: 
Different Weapons and First Aids:
While you're in the game and you have blown the CRAP
out of each other and you're low on health or ya need
a different weapon, just push (ALT+TAB) and it will
miniimize it. Now if you want you can pusn (ALT+TAB)
again or you can use the mouse and click on the minimized
game on the tool bar on the bottom of your desktop, now
all you have to do is keep doing that over, and over and
soon enough you will start getting different weapons and
also first aids.