Press Backspace and then type "!throw me a frickin bone here". Now, press Backspace and enter one of the following codes:
10 Explosives: !haunt haunt haunt!
20 Fly Swatters: !harsh language
30 Insecticide Spray: !henry
3 Napalm Strikes: !this one goes to eleven
3 Recons: !peep show
3 SpaceMen Reinforcements: !scotty
9 Blue Disguise: !i woke up this morning
9 Grey Disguise: !incognito
3 Paratroopers: !johnny ricco
3 HammerMines: !spiny norman
9 Tan Disguise: !no sunblock
30 Mines: !sprinkles
3 AirStrikes: !heavenly glory
3 Baseballs: !one time...
Display frame rate: !rate me
Drop Sarge's health to almost 0: !let me down
Hide all enemy troops on mini-map: !its dark
Infinite Aerosol: !hey dante
Extinguishes Sarge's fire: !disco is dead
Infinite Air Attacks: !roody-pooh
Infinite Bazooka: !i like to keep this handy
God mode: !captain scarlet
God mode and items: !full monty
Heavy laser: !hello neo
Infinite FlameThrower: !patty melt
Infinite Glue: !hey stifler
Lose scenario: !time for bed
MineSweeper: !i got two words for ya...
Random item: !mona lisa
Infinite Grenades: !you want some
Sarge has a Force Field: !stay frosty
Sarge has a Laser Rifle: !mib
Infinite Flame Napalm: !here's a lockpick...
Enemy troops are zombies: !halloween
Sarge has a Steriod Boost: !pump me up
Lose scenario: !the meek
Reveal enemies on map: !there is no spoon
Teleport Sarge to pointer location: !door
Sarge on fire: !disco inferno
Sarge has a Flak-Jacket: !whistle and flute
Sniper Rifle: !yippee!!!
Summon horde of enemy troops: !no one expects
Infinite M80s: !penny
Infinite Magnifying Glass: !the sun
Infinite MediKit: !florence
Large explosion around Sarge: !italian job
Win scenario: !cut to the chase