Cheat Codes
Bring up the console with the ~ key then put in iamtheone to enable cheats. Now enter one of the following codes:

god - Invincibility
fly - Flight Mode
ghost - ghost mode
playersonly - Freeze Bots

More money
To get more money pres the PAGE UP key with each pres you will have 1000 more money.

Monster Summons
From the drop down console (~) put in iamtheone to enable cheats and type: summon unreali.

warlord
titan
stone titan
squid
slith
skaarj
skaarjwarrior
skaarjscout
skaarjlord
skaarjberserker
skaarjassassin
iceskaarj
skaarjtrooper
skaarjsniper
skaarjofficer
skaarjinfantry
skaarjgunner
queen
pupae
nali
nalipriest
mercenary
mercenaryelite
manta
giantmanta
cavemanta
krall
lesserkrall
krallelite
gasbag
giantgasbag
fly
devilfish
cow
babycow
tentacle
brute
lesserbrute
behemoth
bots
skaarjplayerbot
humanbot
malebot
maletwobot
malethreebot
maleonebot
femalebot
femaletwobot
femaleonebot
nalirabit
horsefly
blobelt
biterfish
bird1
parentblob
horseflyswarm
deadbodyswarm
biterfishschool