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