Here is the full list of all 30 What The Dub?! achievements.
Win 3 games in a row
Use developer's name in a response
Every word in a response starts with the same letter
Play five games in a row with the same players
Play 16 games
Win every round of a game
Play 8 games
Win a game with double the points of the second place player
Win a game after starting the last round in last place
Win a round with a one word answer
Play two games in a row with the same players
Finish a game with a score of 0
Submit your dub at the last second
Win a round with a response at least 90 characters in length
Tie for the highest score in a round
Receive all of the votes in a round.
Receive no votes in a round
Use sound effects in your dub
Complete your first game of What the Dub?!
Submit your first dub
Play 35 games
Play 70 games
Play ten games in a row with the same players
Play a game with the bad word filter on
Play a game with max audience
Play a game with max players
Play a game with the max number of rounds
Submit your dub within 5 seconds.
Multiple people submit the same response
Win multiple rounds with the same response