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