Use cheats with v1.11 or higer 
Just enter the target path as 

+set cheats 1 +set ui_console 1 +set thereisnomonkey 1 

Notice that there is no +set developer 1; and that +set cheats 1 and +set ui_console are switched. 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

So just use the old ones!
For the ones that dont have them, here they go: 

To enable cheat mode, start the game with the following parameters: 

+set developer 1 +set ui_console 1 +set cheats 1 +set thereisnomonkey 1 

in other words 

Set the console Mode 
You have to put this is the shortcut +set developer 1 +set ui_console 1 +set cheats 1 +set thereisnomonkey 1 


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

dog - God Mode
wuss - All Weapons & Ammo
map mapname - jump to another level
fullheal - Full Health
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 location 
coord - Prints out current location and angles 
health - set current health 
kill - Kills the player 
giveweapon weapons''weapon_name''.tik - Gives the player the specified weapon 
toggle cg_3rd_person - 3rd person view

Weapon names: 

Colt 45 - colt45 
Frag Grenade - m2frag_grenade 
Walther P38 - p38 
Steilhandgranate - steilhandgranate 
M1 Garand - m1_garand 
Mauser KAR 98K - kar98 
Shotgun - shotgun 
Bazooka - bazooka 
Panzerschreck - panzerschreck 
BAR - bar 
StG 44 - mp44 
Thompson - thompsonsmg 
MP40 - mp40 
Springfield '03 Sniper - springfield 
KAR98 Sniper - kar98sniper

map - jump to another level

Map names:
e1l1
e1l2
e1l3
e1l4
e2l1
e2l2
e2l3
e3l1
e3l2
e3l3
e3l4

NOTE: To start the game with those parameters, you must modify the shortcut for the game by right clicking on the shortcut and selecting properties. Then, change the TARGET box to add in the command-line cheat. Simply add the "+set ui_console 1 +set cheats 1 +set thereisnomonkey 1" to the end of where your shortcut points to. 

Example:


C:moh demoMOHAADemo.exe +set ui_console 1 +set cheats 1 +set thereisnomonkey 1 

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

Example:
"C:moh demoMOHAADemo.exe" +set ui_console 1 +set cheats 1 +set thereisnomonkey 1