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