Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Bundle up...	Put on so many jackets that you can't put your arms down.
Create a Super Floor Trap...	Find out what makes a Floor Trap extra angry.
Difficult; spicy; rude; anxious; amazing.	Show that you're a Campaign pro while starting on a high enough difficulty setting.
Dip beneath lasers...	Complete the three Laser-based Challenges.
Exceed expectations...	Become a ninja of Campaign mode.
Feel the desire for velocity...	Get the most out of your Sprint.
Five foot diameter, five feet deep, one per day...	Learn to appreciate your Dig.
Get revenge...	Find out how to turn the tables.
It's a secret...	No, seriously. It's a secret.
Learn the hidden power of teleportation...	And not just the fact that you can teleport in this game. It's a video game. Of course you can teleport.
Make things hard for yourself...	It's a certain setting in Custom Level mode.
Perform well...	Get a feel for Campaign mode.
Show off some perfect stealth...	Max Food/No Damage, four levels in a row.
Travel a great distance...	Get really good at Campaign mode.
Two birds with one Stun...	Get two bonuses with a single Stun trap.