Here is the full list of all 19 Clustertruck achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Beat the steampunk world!
Beat the Sci-Fi world!
Beat the ancient world!
Happy Holidays!
Beat the medieval world!
Beat a ghost!
Beat the lazer world!
Aced 10 levels!
Unlock all abilities!
Beat the winter world!
10 seconds of air time!
Beat the forest world!
Get 10 000 points in one level!
Beat the desert world
Get the best time out of your friends on a level!
Beat the game!
Complete the game without using abilities!
Beat the hell world!