-
Gallery art
Get the indicated number of Gamerscore points to unlock the corresponding art:
| Octabrain concept art 2 | 30 points |
| Sonic Resonator concept art | 50 points |
| |
| Duke Nukem Forever screenshot 1 | 200 points |
| Duke's Vehicle concept art | 90 points |
| Octabran concept art 1 | 30 points |
| Trooper Recon Car concept art | 90 points |
| Pig Cop concept art | 10 points |
| Alternative Pig Cop concept art 1 | 70 points |
| Alternative Pig Cop concept art 2 | 70 points |
| Jetpack concept art | 50 points |
| |
| Duke Nukem Forever screenshot 2 | 200 points |
-
Secret level in Shrapnel City
Go to the Hotel Hell level, then go to the fountain by the pool. Step through the waterfall, then go behind a bush. You will see a radioactive waste sign like the ones that mark the end of a level, except it is gray. It will take you to the secret Freeway level.
-
Achievements
Do the following things to obtain the corresponding Gamerscore points:
| 10 Points |
| Alien Maggots are Gonna Pay | Finish the 'Hollywood Holocaust' level in under 3 minutes. | | | Looks Like Cleanup on Aisle 4 | Step in a pile of excrement. | | | Shake It Baby | Tip an exotic dancer. | | | Oomph, Uugh, Where is it? | Find 70 secret areas. | | | Duke's Mighty Foot | Step on 40 enemies after using the Shrinker on them. | | | 25 Points | | Come Get Some | Finish 'Shrapnel City' on any difficulty or in co-op. | | | Game Over | Finish 'The Birth' on any difficulty or in co-op. | | | Let's Rock | Finish 'Lunar Apocalypse' on any difficulty or in co-op. | | | Piece of Cake | Finish 'L.A. Meltdown' on any difficulty or in co-op. | | | | | | | | | | |
-
Tier Drops level in Shrapnel City
There is a tenth level in Shrapnel City called Tier Drops. To get there, go to the movie level, and go to the stage with the NASA sign and the body parts with a telescope. Kill the alien with the chain gun, and press [Use] on the sign. A door should appear with the caution sign that ends the level.
Notice: Do not go to the stage with the ship or this will not work.
-
Easier final Boss
If you have a jet pack, fly up and destroy the beer blimp. Guns and health will scatter on the ground, allowing the final Boss to be killed easier.
Notice: One of the best weapons to use against it is the Devastater.