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!
You reached a higher state of mind. Or at least some peace and quiet.
The truth was out there all along!
Release that tension at the root level.
Scurvy! Ye look smashing, captain!
Don't feed the animals! Or do, they're adorable.
Again? Keep track of your kids!
Breathe some wind into your ocarina, my skyward princess!
Helltower? More like hello-from-up-here-tower!
Now look who's extinct!
They had no way out.
Isn't it pretty? That's going on the fridge.
You did it! CO-LLA-BO-RATION!
Took things a bit too far, didn't you?
Choo Choo!
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.