During the game, press C then type marvin. Press C again to exit the menu then press F2 to drop a developer console:

• Cheat Full: Player is Healed
• Cheat God: God Mode On
• Cheat God od: God Mode Off
• Edit Abilities: A menu will appear; type the ability, then the value
• Goto Waypoint [destination]: Teleport to destination entered after cheat
• Toggle Time: Toggles Game Time
• Toggle Inertiatarge: Affects player inertia
• First Person: first person view
• o: Get close to somebody until you see their name in the top of there head and press o. You should be him.