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