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