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