Here is the full list of all 20 The Jackbox Party Pack 2 achievements.
Deliver an alien baby
Successfully make coffee
Defuse 10 bombs in The Grind
Win a round with two voice Sound Effects
Win a round using two bodily function Sound Effects
Have an auction go above $4,000.
Play a 6-player game.
Write “pork pants” and win a battle with it
Enter the same thing as an opponent
Play a game with 8 players plus an Audience
Write a quip that Schmitty actually responds to
All players find the truth on a question
Fool every other player with a Lie in a 3+ player game
Win the game and win the most likes
Go an entire game without using any bodily function Sound Effects
Take out three loans and still win the game.
Screw a player and have them actually end up buying that piece of art.
Successfully file paperwork
Write a Lie that's actually the Truth
Get a Quiplash (sweep votes in a 5+-player game)