Location not disclosed
reach the first 50m height
Freak out 5 people at once
Reach maximum atmosphere
Complete the first level
Enter a portal.
Clear a level after dying five times in it.
Read through the entire manual.
Unlock everything. You see what I did there with this Medal's title? Lol.
Meaning it's now time for the level editor, level playlist, unlockables, highscores... NO WAIT COME BACK.
Go to the Show Appreciation link. Click the blue birdie. Press 'update'. Thanks.