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