Press [Enter] and then type in:

 teamgod                - Team god mode
 avatargod              - Avatar god mode
 stumpy                 - Stumpy mode on
 clodhopper             - Cloud hopper mode
 meganoggin             - Mega head mode
 bignoggin              - Big head mode
 nobrainer              - Turning brains
 debugkeys              - Debug keys enabled
 turnpunchkick          - Flat and ugly avatars
 1-900                  - Heavy breathing
 explore                - Victory conditions on/off
 5fingerdiscount        - Ammo complete
 silentbutdeadly        - Farting
 fastactionresponseteam - Heavy farting