Successfully complete the game on all difficulties to unlock the Thunder gun, which can kill everything in sight. When entering a loading screen or room, quickly tap [Fire]. The gun will fire in all directions, and you will get a large health boost and all enemies will be killed.Wozma
In Episode 8: Part 3 at Mech-Nukem's left arm (the incomplete one), press [Up] near the path in front of it. You will enter a secret area containing Wozma, the secret Boss. During this time you will have unlimited ammunition.Avatar Awards
Successfully complete the indicated task to unlock the corresponding Avatar Award:
- Jetpack: Successfully complete the game.
- T-shirt: Save the babe found in Level 1.
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
- Deworming the Big Apple (20 points): Finish "Rooftop Rebellion".
- Confucius Say...Die (20 points): Finish "Chinatown Chiller".
- Max Pain on the A-Train (20 points): Finish "Metro Mayhem".
- I Love the Smell of Sewer Scum (20 points): Finish "Unholy Underworld".
- Worker Safety, Last (20 points): Finish "Fearsome Factory".
- This Ain't the Love Boat (20 points): Finish "Tanker Trouble".
- Going Down Faster Than Enron (20 points): Finish "Deviant Drilling".
- Space, the Final Frontier (20 points): Finish "Orbital Oblivion".
- My Boots Are Made For Stompin' (10 points): Stomp on 20 enemies.
- Pig Out (10 points): Kill 75 enemies.
- Glow Like Dr. Manhattan (10 points): Collect 120 Nuke symbols.
- New York Minute (10 points): Finish the first level in under 3 minutes.