Submitted by: lars0109 Master Chief's Armor You'll get a button prompt here to pull a turd out of the toilet for the Turd Burglar Achievement / Trophy. In the first stage, Duke Lives, look for the toilet stalls. Walking near him makes Duke say 'Thats one dead space marine.' His helmet looks a lot like Issac Clark's helmet from Dead Space. Then, at the end of the cave you ducked through, there is a dead EDF marine. Take a left, then turn on your Duke Vision and crouch, under the branch like things. In ' The Hive,' after opening a few alien doors, you will encounter a room with lots of spore looking things near the doorway. Submitted by: Toe3Knee Dead Space Reference In the level 'Duke Nukem's Titty Club,' go through the Restrooms halfway and on the left side take a door with an 'EXIT' sign over it and go upstairs you will stumble upon a small room and at the end of it a desk with a survaillance monitor on it, next to it's the 'Totem' from the movie 'Inception' spinning without stopping. Shoot the blimp until it is on fire to get Sunday, Black Sunday. When you face the Cycloid in the first chapter ' Duke Lives' there will be a blimp flying across the football stadium. Submitted by: ajrwalker Sunday, Black Sunday The code Duke types into the big gun to be used on the mothership mission at the end of the Duke Cave mission is 1138. Submitted by: sk8erkid1614 George Lucas THX 1138 Movie Reference Punch the actor to get 'No One Likes a Whiner.' In the second chapter 'Damn its late' you will run into a complaining actor yelling at a guy for walking through the set. Submitted by: KrakenAttack How to Get 'No One Likes a Whiner' This is a reference to the scene in American Psycho when Patrick Bateman tries to use an ATM machine and it appears to him to say 'Feed me a stray cat' and he tries to before a woman yells at him and he runs off. Go up to one and use it it will say 'card read error', press action again and it will say 'Feed me a stray cat' - it works on both of them but it won't repeat again.

In the Duke Nukem's 'Titty City' chapter, there are two ATM machines, one near the bar and one near the slot machines in the game room. Outside of Challenges, all points are doubled in Overdrive Mode.

Get to Level 40 in multiplayer to unlock Overdrive Mode. In the level, Forkstop, you can locate a computer desk with a copy of the original Duke Nukem 3D PC game box behind the desktop.

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