Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Chronicles (100 points)	Gather all secrets.
Circumnavigation (100 points)	Visit the N/S/E/W boundaries.
Concierge (100 points)	Visit all of the hotels.
End (100 points)	Finish the campaign.
Free Climber (100 points)	Climb to the highest point in the map.
Mariner (100 points)	Stay in the boat for a complete day/night cycle.
Naturalist (100 points)	See all creatures.
Sightseer (100 points)	Visit all landmarks.
Tinkerer (100 points)	Gather all boat boosts.
Wish You Were Here (100 points)	Use the postcard feature.