Here is the full list of all 31 What The Dub?! trophies - there are 18 bronze, 6 silver, 6 gold and 1 platinum.
Earning all the trophies
Submit your first dub
Finish your first game
Receive no votes in a round
Receive all of the votes in a round
Win every round of a game
Win a round with a dub that is at least 90 characters long
Win a round with a one word answer
Use a sound effect in your dub
Play a game with max players
Play a game with max audience
Complete a game with the max number of rounds
Submit a dub within 5 seconds
Submit a dub at the last second
Win 3 games in a row
Play a game with the bad word filter on
Get no votes an entire game
Multiple people enter the same dub
Submit a dub where every word starts with the same letter
Win multiple rounds of a game with the same dub
Tie for the highest score in a round
Win a game with double the points of second place
Win a game after being in last place at the start of the last round
Play 8 Games
Play 16 Games
Play 35 Games
Play 70 Games
Play two games in a row with the same players
Play five games in a row with the same players
Play ten games in a row with the same players
Use a developer's name in the response