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.
Kill 10 bad guys in 10 seconds while on steroids.
Burn 50 bad guys to death.
Complete "Alien World Order" on any difficulty.
Carry all weapons with ammo at once.
Find Sam in "Mirage Barrage".
Use the Incinerator
Kill a Firefly Trooper while it's flying small.
Use the hookah in High Times.
Complete "The Birth" on any difficulty.
Find Luke in the Level "Lunar Reactor".
Use a cheat code.
Complete "Shrapnel City" on any difficulty.
Listen to Developer Commentary (Use at least one trigger).
Finish any level on "Damn, I'm Good" difficulty.
Complete "Lunar Apocalypse" on any difficulty.
Step on 40 enemies after using the Shrinker on them.
Find 70 secret areas.
Kill 1000 enemies.
Find any secret level.
Step in a pile of excrement.
Kill every enemy on a level.
Kill 5 bad guys with one shot.
Finish the "Hollywood Holocaust" level in under 3 minutes.
Complete "L.A. Meltdown" on any difficulty.
Find the Doomguy in the Level "Death Row".
Tip an exotic dancer.
Find a secret area.