Here is the full list of all 20 It Takes Two achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
All minigames found!
Don't feed the animals! Or do, they're adorable.
Put on a show and die trying.
Now look who's extinct!
Isn't it pretty? That's going on the fridge.
Helltower? More like hello-from-up-here-tower!
Breathe some wind into your ocarina, my skyward princess!
Again? Keep track of your kids!
Took things a bit too far, didn't you?
Scurvy! Ye look smashing, captain!
You did it! CO-LLA-BO-RATION!
You reached a higher state of mind. Or at least some peace and quiet.
Release that tension at the root level.
Choo Choo!
Guess it was time to cash out.
Shoot for the stars, literally.
The truth was out there all along!
They had no way out.
Self-inflicted paparazzi.
It takes two to… torture.