Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
1001 Tales	Find all Arabian objectives.	50
A New Ride	Find the Tinkering Workshop.	50
Can't Get Enough	Complete and rate 5 Online maps.	50
Can't hide from me!	Find 10 different objectives.	25
Gotcha!	Find 25 different objectives.	50
Hidden No More!	Complete all other achievements.	150
Home At Last	Find the Island of Ithaca.	50
Junior Architect	Create and save your first map.	25
Keen Eye	Find your first secret objective.	25
Level 20 Party	Find all Medieval objectives.	50
Master Detective	Find all objectives in the Campaign.	100
No Stone Left Unturned	Find 50 different objectives.	100
Online Observer	Complete and rate an online map.	25
Open Sesame!	Find the Cave of the 40 Thieves.	50
Prom Queen	Find all 80's objectives.	50
The Dragon's Lair	Find the Village of the Dragonlings.	50
The Odyssey	Find all Greek objectives.	50
There you are!	Find your first objective.	25
Web Searching Surfer	Complete and rate 3 Online maps.	25