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