Here is the full list of all 46 Free Realms trophies - there are 24 bronze, 20 silver, 1 gold and 1 platinum.
Earn all trophies
Reach Level 20 as a Miner
Reach Level 20 as a Fisherman
Reach Level 20 as a Blacksmith
Reach Level 20 as a Warrior
Reach Level 20 as an Adventurer
Reach Level 20 as a Soccer Star
Reach Level 20 as a Wizard
Reach Level 20 as a Medic
Reach Level 20 as a Ninja
Reach Level 20 as an Archer
Reach Level 20 as a Brawler
Win a tier 5 combat encounter without getting knocked out
Place 1000 items in a house
Place 100 items in a house
Spend 50,000 coins
Reach Level 20 as a Demo Derby Driver
Successfully invite 25 players to a group
Add 100 players to your friends list
Successfully invite 5 players to a group
Reach Level 20 as a Chef
Complete 5 player to player trades
Add 50 players to your friends list
Lose 10 minigames
Reach Level 20 as a Postman
Win 10 duels
Reach Level 20 as a Kart Driver
Create a guild
Complete a collection
Complete an elite collection
Visit another player's house
Add a player to your friends list
Win an Artifact Hunt game
Win a Pirate's Plunder match
Win a Chess game
Win a Checkers game
Tip 10 cows
Win a Tower Defense game
Visit the Kart & Demo Derby Garage
Perform 10 emotes
Use a consumable item
Perform a pet trick
Abandon 10 quests
Ask for help from Free Realms Support
Equip a style card
Visit the Marketplace