Here is the full list of all 20 The Jackbox Party Pack achievements.
Win all Wrong Answer of the Game prizes
Come from behind to win during the Jack Attack
Play a perfect round where all words get accepted
Win three rounds in a row
Type the word "nugget" and get it accepted
Win three games in a row
Play a perfect round
Enter one of the 7 bugs' secret names as your name
Get all questions right in an episode
Ace a DisOrDat
Play a game with 10 or more players
Play a full 8-player game
Write a Lie that's actually the Truth
Enter the same thing as another player
Guess every drawing correctly in a game
Draw something that everyone guesses correctly
Fool every other player with your title of another player's drawing
Fool every other player with a Lie in a 3+ player game
Win a game by more than 3000 points
All players find the truth on a question