During gameplay, press ENTER, type in one of the cheats again, then press ENTER again to activate it.
Achieve objectives: cisco
All inventory items: refill
Become invisible: shadow
Change your kit to specified file: kit kit file
Chicken grenades: chickenrun
Disable shaky screen: rumbleoff
Don't show corpse names: hidecorpse
Enable shaky screen: rumbleon
Exit game: quit
God mode: superman
Lose mission: autolose
Mark location on map for teleport: mark
Mark location on map for teleport: mark2
Paintball mode: extremepaintball
Report current location: loc
Run: run
Screen shakes: boom
Set gamma: setgama 0.0-1.0
Show object names: names
Show texture properties for objects: showtextureprops
Squirrel launcher: squirrelkite
Suicide: god
Take over enemy bases: rock
Team God mode: teamsuperman
Team invisibility: teamshadow
Teleport: teleport
Teleport to preset locations: spawn
Toggle AI: toggleai
Toggle display of tracers: tracers
Toggle effect stats: toggleshoweffectsstats
Toggle framerate display: toggleshowframerate
Toggle freezing trees: togglemovetrees
Toggle interface stats: toggleshowinterfacestats
Toggle level stats: toggleshowlevelstats
Toggle performance counters: toggleshowperfcounters
Toggle system memory stats: toggleshowsystemmemorystats
Toggle texture memory stats: toggleshowtexturememorystats
Toggle total stats: toggleshowtotalstats
Toggle user interface: toggleui
Unlimited ammunition: ammo
Unlock Hero characters: unlockheros
View debug counters: perf
Win current mission: autowin