The following bugs are found in Duke Nukem Forever:
- Barrels placed on the scissor lift in The Clarifier remain hovering in midair after the lift is lowered.
- If hit right, the toy car will sink into the stairs after a turbo jump during the Lady Killer.
- In MP, when the player returns to normal size after being shrunk, their weapons will sometimes remain shrunk.
- In the Duke Burger MP map, it is known that the player will sometimes unshrink, giving him a great advantage over the other players.
- Punching the corpse of Dylan can get it embedded in the floor, which causes an interesting reaction with the rag-doll physics engine.
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