Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock	Points
Chal's end	Discover an ancient tablet.	25
Chal's flood	Discover an ancient tablet.	25
Chal's voice	Discover an ancient tablet.	25
Changing mind	Discover an ancient tablet.	25
Changing ruler	Discover an ancient tablet.	25
Changing rule	Discover an ancient tablet.	25
Contemplate future	Discover an ancient tablet.	25
Dread future	Discover an ancient tablet.	25
Empire's decline	Discover an ancient tablet.	25
Empire's revolt	Discover an ancient tablet.	25
Empire's ruin	Discover an ancient tablet.	25
Faithfull Chal and Tlaloc	Discover an ancient tablet.	25
Faithfull Michlan and Xinu	Discover an ancient tablet.	25
Faithfull disciples	Discover an ancient tablet.	25
Founder's landing	Discover an ancient tablet.	25
Founder's settling	Discover an ancient tablet.	25
Founder's travels	Discover an ancient tablet.	25
Michlan's bane	Discover an ancient tablet.	25
Michlan's fate	Discover an ancient tablet.	25
Michlan's sin	Discover an ancient tablet.	25
See future	Discover an ancient tablet.	25
Spreading dispair	Discover an ancient tablet.	25
Spreading dissent	Discover an ancient tablet.	25
Spreading eternity	Discover an ancient tablet.	25
Sudden death	Discover an ancient tablet.	25
Sudden flight	Discover an ancient tablet.	25
Sudden fury	Discover an ancient tablet.	25
The blue bane	Discover an ancient tablet.	25
The blue boon	Discover an ancient tablet.	25
The blue fruit	Discover an ancient tablet.	25
Tlaloc's festering	Discover an ancient tablet.	25
Tlaloc's wrath	Discover an ancient tablet.	25
Xinu's Plea	Discover an ancient tablet.	25
Xinu's fall	Discover an ancient tablet.	25
Xinu's labour	Discover an ancient tablet.	25