Here is the full list of all 28 Tea Party Simulator 2015 achievements.
Witness the potato box flying through space-time.
Activate the monolith.
Completed the second level.
Witness the zeppelin.
Activate the aviators.
Witness the Red Baron.
Completed the first level.
This hand ain't goin' nowhere.
Let the chi flow through the spasticity of your hand.
Make a tea within a tea, or something.
Activate the sunglasses.
Flip the bird, if the bird were a fancy bird.
Activate the calm book.
You really aught to do something about that stabbing habit.
Activate the turnip.
Activate the top hat.
Activate the fish!
Yes, well ... I'd call you a buffoon too if you poured hot water on me. Indeed!
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 snake.
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!