Here is the full list of all 7 Skipper achievements.
It's not much, but it's something! You completed a puzzle.
An achievement worth something. Five easy levels down.
You might have actually been challenged. Very good!
Things are heating up, but you keep on pushing. Your mom is so proud.
The struggle zipped right up didn't it? Still you made it here. Good work.
Roughly half of all players will get this far. You're special. Wait, right?
You've come farther than most. I bet you want a star? Cookie? How about an achievement?