Full list of all 39 James Cameron's Avatar achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Score a harmonic from the FEBA.
Complete all Sector Challenges in the FEBA.
Win 5 'King of the Hill' matches.
Complete 150 Multiplayer games.
As a Na'vi warrior, reach the end of the timer with 3 intact crystals.
Win 5 'Capture and Hold' matches.
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'.
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.
Score the harmonic in Grave's Bog.
Complete all Sector Challenges in Grave's Bog.
Score your first harmonic in Needle Hills.
Complete all Sector Challenges in Needle Hills.
Claim 50% of all territories.
Finish the game on the Na'vi side.
Complete the Plains of Goliath.
Complete all Sector Challenges in Plains of Goliath.
Use every Rank 4 skill 20 times.
Secure the song in Kxanìa Taw.
Complete all Sector Challenges in Kxanìa Taw.
Complete all Sector Challenges in Va'erä Ramunong.
Secure the song in Va'erä Ramunong.
Complete all Sector Challenges in Torukä Na'rìng.
Secure the song in Torukä Na'rìng.
Secure the song in the Swotulu.
Complete all Sector Challenges in the Swotulu.
Survive the RDA attack in Iknimaya.
Complete all Sector Challenges in Iknimaya.
Kill 100 enemies using the dual wasps or the bow.
Complete Blue Lagoon
Complete all Sector Challenges in Blue Lagoon.
Unlock 20 Pandorapedia articles.
Complete your first Hell's Gate visit.