------------------------------------------------------------------------------------------------------------------------------------------------------------ Strong Bad Episode 1: Homestar Ruiner Codes Cheat Codes Snake Boxer 5: Cobra Press Up two times, Down, Up, Plus at the Snake Boxer 5 title screen. Boxer Joe will be replaced with a Cobra. Unlockables Trogdor 3-Dungeon Successfully complete the game. Then, go to the Trogdor Machine. When you press it, it will start up Trogdor 3-Dungeon.