Halloween cheats and cheat codes for PC

Cheats:
Press "~" to open the console and enter one of the following commands: 

Code Result
god - God mode 
airacc - Acelleration in the air 
airslow - Slowing in the air 
animspeed - Animation speed 
autoswitch - autoswitch weapons mode 
bmd - Change bmd? 
bms - Change bms? 
bombslow - Speed at which bombs slow 
colordepth - Change the current bitdepth 
cullface - backface culling 
cvel - Change cvel? 
developer - developer mode 
directstart - direct start? 
drawbound - highlighting of bound objects 
drawcell - highlighting of individual cells 
drawface - drawing of texture faces 
drawfsp - Show framerate, set to 1 to turn on 
drawgun - the drawing of weapons held 
drawnormal - Draw wall normals 
drawone - ? 
drawportal - Outlining of portals and doors 
drawtris - Draw the map sections 
eps - Change eps? 
exit - Quit the game 
fov - Change the field of view 
fullscreen - between full screen or windowed mode 
gamma - Change gamma 
gravity - Gravity 
groundacc - Accelleration speed on ground 
groundslow - Slowing speed on ground 
invertmouse - Invert mouse control 
jumpstep - Change the jumpstep value 
killdepla - Amount of Depla's killed 
killmorba - Amount of Morba's killed 
killsubzerat - Amount of Subzerats killed 
killzemummy - Amount of Zemummy killed 
killzeubat - Amount of Zeubat's killed 
leaf - Change leafs? 
lightmap - lightmapping 
loadconfig - Load config from file 
map - Load another map (see further on for possible maps) 
mapcomplete - Mark the map as completed (putting you at the next map) 
maxspeed - Maximum moving speed 
monster - Turn monsters off 
musictrack - Change the current playing musictrack 
musicvol - Ingame music volume 
noclip - walking through obstacles 
noscript - the scripting in the engine on or off 
offset - Change offset? 
picmip - Change amount of offset pixels during mipmapping 
play - Play a recorded demo 
plook - Change plook? 
prestrack - Last music track played 
prvel - Change prvel? 
pvel - Change pvel? 
pview - 3rd person or static view 
record - Start recording a demo 
renderent - rendering of entities 
resetgame - Reset internal game state 
respawn - monster from respawn 
saveconfig - Save current config to file 
soundsys - change current used sound system 
soundvol - Ingame sound volume 
statutbar -  HUD display 
stopplay - Stop playing a recorded demo 
stoprecord - Stop recording a demo 
version - Return game version 
videomode - Change the current videomode 

Possible maps to use with the commands are: 
h1m0 
h1m1 
h1m2 
h1m4 
h1m5 
h1m6 
h1m7 
h1m8 
h1m9 
mapbonus1 
mapbonus2