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.
Took things a bit too far, didn't you?
Again? Keep track of your kids!
Breathe some wind into your ocarina, my skyward princess!
Now look who's extinct!
They had no way out.
The truth was out there all along!
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.
Scurvy! Ye look smashing, captain!
Helltower? More like hello-from-up-here-tower!
Choo Choo!
Isn't it pretty? That's going on the fridge.
Guess it was time to cash out.
Put on a show and die trying.
Shoot for the stars, literally.
Self-inflicted paparazzi.
It takes two to… torture.