Duke Nukem 3D: 20th Anniversary World Tour Achievements Full list of all 27 Duke Nukem 3D: 20th Anniversary World Tour achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 27 Offline Mode 27 Single Player 6 Main Storyline 1 Difficulty Specific 5 Collectable 4 Cumulative + 2 Time/Date Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Piece of CakeComplete "L.A. Meltdown" on any difficulty. Let's RockComplete "Lunar Apocalypse" on any difficulty. Come Get SomeComplete "Shrapnel City" on any difficulty. Damn, I'm GoodComplete "The Birth" on any difficulty. I'm Back, BabyComplete "Alien World Order" on any difficulty. Duke's Mighty FootStep on 40 enemies after using the Shrinker on them. It HappensStep in a pile of excrement. Shake It, BabyTip an exotic dancer. Oomph, Uugh, Where Is It?Find 70 secret areas. 1 guideAlien Maggots are Gonna PayFinish the "Hollywood Holocaust" level in under 3 minutes. Invaders Must Die!Kill 1000 enemies. Take No PrisonersKill every enemy on a level. Cheating!Use a cheat code. 1 guideDoomed MarineFind the Doomguy in the Level "Death Row". Duke, Use the Force!Find Luke in the Level "Lunar Reactor". All Too EasyFind a secret area. 1 guideWhy So Serious!?!Find Sam in "Mirage Barrage". I Never InhaledUse the hookah in High Times. See, I'm Tough Too!Finish any level on "Damn, I'm Good" difficulty. I Never Knew This Was HereFind any secret level. That's What She SaidListen to Developer Commentary (Use at least one trigger). Smoke 'Em If You Got 'EmUse the Incinerator Roast 'EmBurn 50 bad guys to death. Buzz OffKill a Firefly Trooper while it's flying small. More Than 2 Weapons At Once?Carry all weapons with ammo at once. Nukem AllKill 5 bad guys with one shot. Rage EngageKill 10 bad guys in 10 seconds while on steroids.