Here is the full list of all 28 Tea Party Simulator 2015 achievements.
This hand ain't goin' nowhere.
Make a tea within a tea, or something.
Let the chi flow through the spasticity of your hand.
Activate the aviators.
Activate the fish!
Activate the sunglasses.
Activate the calm book.
Activate the turnip.
Activate the snake.
Witness the zeppelin.
Yes, well ... I'd call you a buffoon too if you poured hot water on me. Indeed!
Witness the Red Baron.
Completed the first level.
Activate the top hat.
Flip the bird, if the bird were a fancy bird.
Completed the second level.
Completed the third level.
Completed the fourth level.
Completed the final level.
Use the dynamite.
Use a frag grenade to end your tea party.
Activate the monolith.
Witness the potato box flying through space-time.
Get an 'S' rank in every level, in both Mode 1 and Mode 2.
Get an 'A' rank in all Mode 2 levels.
Get an 'A' rank in all Mode 1 levels.
Why would you shoot ted?! He's your best and only friend!
You really aught to do something about that stabbing habit.