The Polynesia Add-on for Sid Meier's Civilization V has 10 achievements.
Find Australia in a South Pacific map game
Encounter Captain Cook
Beat the game on any difficulty setting as Kamehameha.
Win as Hiva
Win as Tahiti
Win as Samoa
Win as Tonga
Find Hawaii in a random map game
Find Easter Island in a random map game
Find New Zealand in a random map game