Various Cheats (FULL version Only):
Press F10 then enter a code below

urgon_elsa - Get Weapons
talkit_marion on - God Mode
talkit_marion off - Disable God Mode
nub_willie - Get hints
azerim_sophia - Health Items
mem - Show Memory
version - Show Version of Game
polys - Polygon Rate Info
toto - Free machine gun
deriver - Walk thru walls
pop - Instant Death
horse - A horse for Jones

Various Cheats (DEMO version - May work in full version):

fixme - Get Jones unstuck
endcredit - Show end game
framerate - show framerate
makemeapirate - Jokes