Here is the full list of all 12 Apples to Apples trophies - there are 7 bronze, 4 silver and 1 gold.
Enable Social Integration for posting trophies.
Lose 3 online games in a row.
Win your first online game.
Unlock all the Apple Avatars.
Complete the tutorial in Single Player.
Be targeted by the "Rotten Apple" card 10 times.
Reach the Orchard Rank in Online Multiplayer by Playing 500 Games.
Play the "Every Apple for Himself" card 5 times.
Play a Golden Apple Card for the first time.
Play the "Apple Tart" card 10 times.
Play the "Yes, We Have No Apples" card 10 times.
Be the second player to play the "Upset the Apple Cart" card in a single round.