Conquer everything.
Complete all levels.
Meld your mind with that of Tinker's.
Conquer five Sets.
Complete the majority of the levels.
Conquer three Sets.
Conquer two Sets.
Conquer one Set.
Step 1: Switch goes left. Step 2: Switch goes right. Step 3: Profit!
Conquer the Tutorial Set.
Learn the ropes.
Become comfortable with controlling Tinker.
Beat a few levels with a time well below par.
Continue playing to unlock this secret achievement.
Make Tinker dance!