You were invited into your girlfriend's house.

Finish the game on the Na'vi side.

Secure the song in Kxanìa Taw.

Kill 100 enemies using the dual wasps or the bow.

Secure the song in the Swotulu.

Unlock 20 Pandorapedia articles.

Complete your first Hell's Gate visit.

Find and equip yourself with a pair of Ulaks.

Acquire your first car in Career Mode

Earn all 3 stars in at least 5 different Special Op missions.

Bought one Plasmid or Tonic Slot at a Gatherer's Garden.

Defended yourself against the Big Sister without dying.

Upgraded a weapon at a Power to the People Station.