Cheat Mode
To enable cheats in this game modify your Call of Duty: United Offensive shortcut and add the following text in the target field AFTER all the other stuff:
+set developer 1 +set sv_cheats 1
Then start the game using that shortcut and press [~] to open the console, and type the following codes (NOTE: All the codes with 0/1 are toggles; use 0 to turn them off and 1 to turn them on):
god - God mode
give <item> - Gives indicated item
give health - Full health
notarget - The enemies won't shoot you
noclip - You can go straigh through walls
give all - Gives all items
give ammo - Gives ammunition
debug 1 - Turns debug mode on (0 to turn it off)
developer 1 - Turns developer mode on (0 to turn it off)
ufo - Fly mode
jumptonode <number> - Teleports you to a specific node on the map
kill - Suicide
map <map name> - Loads the map you want
testgun - ?
cvarlist - Gives a list of all cvars in the game
cvardump - Dumps all cvars to the console
cvar_restart - Reset all cvars
cmdlist - Gives a list of all commands in the game
shaderlist - Gives a list of all the shaders on the current map
imagelist - Gives a list of all images on the current map
snd_list - Gives a list of all sounds currently being used
entitylist - Gives a list of all entities currently in use
bindlist - Gives a list of all currently bound keys
gfxinfo - Gives information about the game graphics
savegame <name> - Saves your game
loadgame <name> - Load your saved game
reset <variable> - Resets a variable to it's default state
cinematic <file> - Plays a cinematic file
debug_tankall 1 - ?
chain 1 - ?
ai_nocriticalsections 1 - ?
testmodel <path to model> - Spawns a model that you input
ai_corpsecount <seconds> - how many seconds dead bodies remain on-screen
cg_brass 0 - Turns ejecting shells off
cg_marks 0 - Turns bullet marks off
cg_drawFPS 1 - Turns fps display on
cg_drawTimer 1 - Turns game timer on
cg_drawStatus 0 - Turns HUD off
cg_hudAlpha <number> - Sets HUD transparency (default is 1.0)
cg_draw2D 0 - Turns HUD and crosshair off
cg_drawCrosshair 0 - Turns crosshair off
cg_crosshairAlpha <number> - Sets crosshair transparency (default is 1.0)
cg_thirdPerson 1 - Turns on 3rd person view on.
cg_shellshock <seconds> - Activates the shellshock effect for the duration that you specify
cg_showMiss 1 - Shows you how far off you are from hitting an npc if you've missed.
cg_shadows 0 - Turns shadows off.
cg_skybox 0/1 - ?
cg_stats 0/1 - ?
cg_noRender 0/1 - Gameplay will continue, but will no longer be rendered.
cg_subtitles 0/1 - Turns off/on subtitles
cg_noPredict 0/1 - ?
cg_selectPlayer <number> - ?
cg_tracerChance <number> - ?
cg_ignore 0/1 - ?
cg_letterbox 0/1 - Turns off/on letterbox format
cl_debugMove 0/1 - Turns off/on player and AI movement debugging.
cl_run 0/1 - ?
cl_running 0/1 - ?
con_debug 0/1 - Turns off/on console debugging.
dmflags 0/1 - ?
fx_debug 0/1 - Turns off/on fx debugging.
fx_draw 0/1 - Turns off/on fx. If set to 0, no smoke, muzzle flashes or particle effects will be drawn.
fx_enable 0/1 - Turns off/on fx. If set to 0, fx will be disabled.
fx_freeze 0/1 - Turns off/on fx freezing. If set to 1, smoke - for example) will freeze in mid-air.
g_changelevel_time <number> - ?
g_gravity <number> - Changes the amount of gravity in the game (default is 800)
g_spawnai 0/1 - Don't spawn on the map (usually crashes the game)
g_ai 0/1 - Turns off/on ai in the game.
g_debugDamage 1 - View the amount of health that an npc has and how much damage you have done to it.
g_vehicleDebug 0/1 - Turns off/on vehicle debug mode.
g_debugMove 1 - Turns off/on player and AI movement debugging.
g_debugBullets 1 - Turns off/on bullet debugging.
g_debugShowHit 1 - Turns off/on hit debugging.
g_drawEntBBoxes 1 - Turns off/on entity bounding boxes.
g_gameSkill <number> - Sets the game skill level
g_knockback <number> - Sets the knockback power of weapons (default is 1000)
r_fog 0/1 - Turns off/on fog
r_drawEntities 0/1 - Turns off/on objects and npc's. Default is 1
r_drawWorld 0/1 - Turns off/on all objects and backgrounds. Default is 1
r_showtris 0/1 - Turns off/on wireframe mode. Default is 0