Here is the full list of all 12 Pinstripe achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Catch 13 butterflies!
Beat the game in less than an hour!
Get the Tommy Gun!
Beat the game without getting hurt!
Be a complete butt head.
Just be nice, OK?
Sniff out all the clues!
Warm George up!
Collect 1,000 Frozen Drops!
Find all three secret rooms!
Wear Mr. Pinstripe's suit!
Kill every monster!