Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
A Penny Saved is a Penny Earned (20 points)	Save up 99999 of Energy, Metal and Rare Resources.
An Indomitable Will (20 points)	Reach a total playtime of 100 hours.
Destroyer of Worlds (15 points)	Develop nuclear technology.
Difficulties Mastered (30 points)	Win with at least 300 Victory Points.
Friends...for now. (10 points)	Form an alliance with another country.
Light at the End of the Tunnel (10 points)	Read through the entire tutorial.
Power Never Takes a Back Step (15 points)	Occupy a province with at least 3 Victory Points.
Scientia Potentia Est (10 points)	Develop technology.
Seawolf (15 points)	Sink at least 100 vessels.
Such Joy Ambition Finds (15 points)	Annex another country.
The First Step (10 points)	Produce a unit.
Towards a Unified World (30 points)	Complete the game with at least 50% of all the provinces in the world under your control.