Here is the full list of all 20 An Alien with a Magnet achievements.
You just need 100 diamonds for this one
Unlock one of the locks in the level overview
You really like sparkles, don't you?
Why would you skip the comic?
Created by...
We suggest you start apologising to the composer!
Wow, and a while ago I thought 100 diamonds was a lot!
You need 5000 of these sparkly looking things to get this one
Cross the finish line in every level
Unlock all the locks in the galaxy overview
Collect all the orbs in every level
There's more than one way to 'die'
What's better than a magnet? A bigger magnet!
Find all the finish lines to the bonus levels
Crash 100 times
Bounce 100 times against a bumper to get shaken
Fire yourself from a cannon 200 times!
Complete 50 puzzle planets to prove your puzzling skills
Drain an energy planet 250 times
Complete every level with the three orbs collected