Cheat mode:
Note: v1.11 or higher of the game is required. 
"moh_spearhead.exe" +set cheats 1 +set ui_console 1 +set thereisnomonkey 1 
command. Start a single player game, then press ~ to display the console window. 
Enter one of the following codes to activate the corresponding cheat function. 

Effect - Code 
God mode - dog 
Full health - fullheal or fullheald  
All weapons and ammunition - wuss  
No clipping mode - noclip 
Remove target - notarget  
Third person view - toggle cg_3rd_person  
List inventory - listinventory  
Teleport to indicated location - tele <x y z coordinates>  
Level select - map <map name>  
Level completed - fadeout  
Restart level - restart  
List maps - maplist  
Display current coordinates - coord  
Set health - health <number>  
Suicide - kill 
List models for Allies - playermodel  
Set walking speed - set sv_walkspeed <number>  
Set gravity - set sv_gravity <number>  
Spawn indicated weapon - giveweapon weapons/"<weapon_name>".tik  
Unlock mission 2 - seta g_m2l1 "1"  
Unlock mission 3 - seta g_m3l1 "1"  
Unlock mission 4 - seta g_m4l1 "1"  
Unlock mission 5 - seta g_m5l1 "1"  
Unlock mission 6 - seta g_m6l1 "1"  
Unlock mission 2 (European version) - seta g_t2l1 "1"  
Unlock mission 3 (European version) - seta g_t3l1 "1"  
Unlock mission 4 (European version) - seta g_t4l1 "1"  
Unlock mission 5 (European version) - seta g_t5l1 "1"  
Unlock mission 6 (European version) - seta g_t6l1 "1"  
Unlock medal - seta g_eogmedal2 "1"  
Unlock medal - seta g_eogmedal1 "1"  
Unlock medal - seta g_eogmedal0 "1"  
Unlock medal - seta g_medal5 "1"  
Unlock medal - seta g_medal4 "1"  
Unlock medal - seta g_medal3 "1"  
Unlock medal - seta g_medal2 "1"  
Unlock medal - seta g_medal1 "1"  
Unlock medal - seta g_medal0 "1"  

Weapon names:
Use one of the following entries with the giveweapon
weapons/"<weapon_name>".tik code. 

colt45
m2frag_grenade
p38
steilhandgranate
m1_garand
kar98
shotgun
bazooka
panzerschreck
bar
mp44
thompsonsmg
mp40
springfield
kar98sniper
 
Map names:
Use one of the following entries with the map code. 

e1l1
e1l2
e1l3
e1l4
e2l1
e2l2
e2l3
e3l1
e3l2
e3l3
e3l4