ifall - Knocks you off you feet!!
hicup - Throws you around!!
silky - Stupid Monsters
lunar - Low Gravity
funky - Funky keys toggle
catch - Out of World Trapping Toggle
aiaim - Ai toggle
agrav - Limb gravity

Debug:

bzone - WireFrame/Shading/Nothing/Normal
fpers - Shows "Sound Cache Misses"
goura - Gourad shading
ntrud - Selects An Enemy
plane - Shows Protection And Damage Points
nfade - Disable/Enable Pallate fading
gmode - Faster cycles ( makes everything go faster )
colid - Shows possible collision locations

you can add -god when running the main exe
for god mode also.