Create a shortcut of the startup on your desktop
Click right on it and go to Properties.
you should see at Target: "C:\Program Files\EA GAMES\MOHAA\moh_spearhead.exe"
Make sure it is like this.
"C:\Program Files\EA GAMES\MOHAA\moh_spearhead.exe" +set developer +set ui_console 1 +set cheats 1 +set thereisnomonkey 1 +set cl_playintro 0
(Copy and paste)
Then press OK, now cheats will work in singleplayer.
Note: Cheats not available in v1.11 and higher
God mode ... dog
Full health ... fullheal -or- fullheald
All weapons/ammo ... wuss
No clipping ... noclip
Invisible ... notarget
Third person view ... cg_3rd_person
List inventory ... listinventory
Teleport to location ... tele
Level select ... map
lod_spawnlist for a spawnlist of all objects that have been used in Medal of Honor Spearhead
cmd spawn models/static/barbwire.tik
Want a bigger scale?
cmd spawn models/static/barbwire.tik scale 6
In some Multiplayer servers cheats work.
Put before every cheat cmd,
Example cmd dog