Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Glorious victory ( 15 points )	Invasion of Camelot has been repelled on the Excalibur table.
Legend ( 30 points )	A Knight's tale has been completed on the Excalibur table.
Renowned knight ( 5 points )	Renown secured or 3 Friends beaten on the Excalibur table.