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