Press [CTRL]+[ALT]+[~] while playing to bring down the command console. Then type any of the following cheat codes:
Code - Result:
cmd(godmode) - God Mode
cmd(giveall) - Level Weapons, Ammo, Dart Upgrade Point
cmd(noclip) - No Clipping Mode
map # - Go to Level (#=Level Name -- See Below>
The names of the levels can be found within the INSTALL FOLDER\SYNDICATE\CONTENT\WORLDS folder.