Begin a game in skirmish or multi-player mode. Then, press [Enter] to display the message box, enter one of the following codes, then press [Enter] again to activate the corresponding cheat function. Note: Enter the code again to de-activate.
Result
Cheat Code
Increase metal and energy by 1000 +atm
Traces unit/structures in order that they were built +bigbrother
Display data transfer in multi-player mode +bps
Display game clock +clock
Play CD music +cdstart or cdplay
Stop CD music +cdstop
View 3D contour mesh +contour[1-15]
Control skirmish AI +control[0-3]
Dithering replaces gray line of sight +dither
Double weapon damage +doubleshot
Half weapon damage +halfshot
Lost game +ilose
Win game +iwin
Kill all units +kill
Darker structures +light 1000
Black structures +light
Change opponent color in skirmish +logo [1-9]
Cover the screen in black +mapping
Decrease energy +noenergy
Decrease metal +nometal
Disable explosion screen effect +noshake
Full map, disable line of sight +nowisee or los
Full radar +radar
Toggle object shadowing +shadow
Share radar [Note] +share radar
Share metal [Note] +share metal
Share energy [Note] +share energy
Share all resources [Note] +share all
Also shoot buildings +shootall
Display ranges by holding [Shift] when pointer is over unit +showranges
Units sing when highlighted +sing
Toggle 3D sound +sound3d
Press [Alt] + [number] to switch units +switchalt
View opponent's energy, metal +view [0-3]
Unknown +aimfromprimary
Unknown +aimfromsecondary
Unknown +aimfromtertiary
Unknown +antialias
Unknown +assert
Unknown +assign
Unknown +becarried
Unknown +burnall
Unknown +burnone
Unknown +debugbreak
Unknown +dprint
Unknown +dr
Unknown +drop
Unknown +edge
Unknown +feature
Unknown +film
Unknown +filmspeed
Unknown +fshadow
Unknown +give
Unknown +iface
Unknown +include
Unknown +lostype
Unknown +mem
Unknown +memdump
Unknown +move
Unknown +musicmode
Unknown +netstats
Unknown +notoktobuild
Unknown +numlines
Unknown +numtables
Unknown +oktobuild
Unknown +profile
Unknown +querynanopiece
Unknown +queryprimary
Unknown +querysecondary
Unknown +querytertiary
Unknown +rcache
Unknown +reload
Unknown +scrollspeed
Unknown +screenchat
Unknown +sealevel
Unknown +search
Unknown +selboxes
Unknown +selectable
Unknown +shot
Unknown +sweetspot
Unknown +tableinfo
Unknown +treedeath
Unknown...