Here is the full list of all 40 James Cameron's Avatar trophies - there are 24 bronze, 12 silver, 3 gold and 1 platinum.
Unlock all trophies.
Complete 150 Multiplayer games.
Finish the game on the RDA side.
Complete every Sector Challenge in the game.
Complete all Sector Challenges in the Hanging Gardens.
Kill Harper in Mist Ridge.
Kill Langley and Epstein in the Hanging Garden.
Complete all Sector Challenges in Grave's Bog.
Score the harmonic in Grave's Bog.
Complete all Sector Challenges in the FEBA.
Score a harmonic from the FEBA.
Complete all Sector Challenges in Needle Hills.
Score your first harmonic in Needle Hills.
Use every Rank 4 skill 20 times.
Finish the game on the Na'vi side.
Complete the Plains of Goliath.
Complete all Sector Challenges in Plains of Goliath.
Claim 50% of all territories.
Complete all Sector Challenges in Kxanìa Taw.
Secure the song in Kxanìa Taw.
Secure the song in Va'erä Ramunong.
Complete all Sector Challenges in Va'erä Ramunong.
Secure the song in Torukä Na'rìng.
Complete all Sector Challenges in Torukä Na'rìng.
Complete all Sector Challenges in the Swotulu.
Secure the song in the Swotulu.
Complete all Sector Challenges in Iknimaya.
Kill 100 enemies using the dual wasps or the bow.
Survive the RDA attack in Iknimaya.
Complete all Sector Challenges in Blue Lagoon.
Complete Blue Lagoon
Unlock 20 Pandorapedia articles.
Complete your first Hell's Gate visit.
Win 5 'King of the Hill' matches.
Win 5 'Capture and Hold' matches.
As a Na'vi warrior, reach the end of the timer with 3 intact crystals.
As an RDA grunt, reach the end of the timer with 3 intact missiles.
Finish a Team Deathmatch with the most kills of either team.
Get 10 kills in a row without dying.
Win 3-0 in 'Capture the Flag'.