Full version:

 Start the game with the following parameters:

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

 To do this, 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.

 Example: X:\MOHAA.exe" +set ui_console 1 +set cheats 1 +set thereisnomonkey 1

 After enabling the codes, start the game and press [~] to bring up the console, then type
 any of the codes listed below:

 dog           - God Mode
 fullheal      - Full Health
 wuss          - All Weapons & Ammo
 noclip        - No Clipping (Go Through Walls)
 notarget      - Invisibility
 gameversion   - Show Game Version
 listinventory - List inventory
 tele [x y z coordinates] - Teleport to indicated location
 coord         - Display current coordinates
 health: [x]   - Set health to x
 kill          - Commit suicide
 clipsize [xx] - Defines clipsize
 startammo [xx]- Defines start ammo

 giveweapon weapons/"[weapon_name]".tik - Get weapon where [weapon_name]
                 might be:

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

 spdevmap <mapname>        Jump to level <mapname>, <mapname> might be:

                           training
                           m1l1
                           m1l2a
                           m1l2b
                           m1l3a
                           m1l3b
                           m1l3c
                           m2l1
                           m2l2a
                           m2l2b
                           m2l2c
                           m2l3
                           m3l1a
                           m3l1b
                           m3l2
                           m3l3
                           m4l0
                           m4l1
                           m4l2
                           m4l3
                           m5l1a
                           m5l1b
                           m5l2a
                           m5l2b
                           m5l3
                           m6l1a
                           m6l1b
                           m6l1c
                           m6l2a
                           m6l2b
                           m6l3a
                           m6l3b
                           m6l3c
                           m6l3d
                           m6l3e
                           credits
                           void


 Demo Version:

 Start the game with the following parameters:

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

 To do this, 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.

 Example: D:\mohdemo\MOHAADemo.exe +set ui_console 1 +set cheats 1 +set thereisnomonkey 1

 After enabling the codes, start the game and press [~] to bring up the console, then type
 any of the codes listed below:

 dog         - God Mode
 fullheal    - Full Health
 wuss        - All Weapons & Ammo
 noclip      - No Clipping (Go Through Walls)
 notarget    - Invisibility
 gameversion - Show Game Version