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 a ghost!
Beat the game!
Beat the hell world!
Beat the steampunk world!
Beat the Sci-Fi world!
10 seconds of air time!
Beat the ancient world!
Beat the medieval world!
Beat the lazer world!
Get the best time out of your friends on a level!
Beat the winter world!
Aced 10 levels!
Beat the forest world!
Beat the desert world
Happy Holidays!
Get 10 000 points in one level!
Unlock all abilities!
Complete the game without using abilities!