C:MOHAAmoh_spearhead.exe +set cheats 1 +set ui_console 1 +set thereisnomonkey 1

If your target contains quotations, you must put the parameter OUTSIDE of the quotations.

"C:MOHAAmoh_spearhead.exe" +set cheats 1 +set ui_console 1 +set thereisnomonkey

Then, while in the single-player game, press "~" to bring up the console and type any of the codes listed below:

dog - God Mode
fullheal - Full Health
wuss - All Weapons & Ammo
noclip - No Clipping (Go Through Walls)
notarget - Show Game Version
fullheald - Heal player
listinventory - List of the player's inventory
tele x y z - Teleport to x,y,z location
coord - Prints out current location and angles
health - set current health
kill - Kills the player
toggle cg_3rd_person - Toogles 3rd person view
giveweapon weapons/''weapon_name''.tik - Gives the specified weapon