Microsoft has announced a change in the way they do Gamerscore points with Xbox Live Arcade games. Perhaps as a way to try and boost commerce on XBLA, the amount of Gamerscore points has been doubled.

“Starting next month (April 2012) all new Xbox Live Arcade games will have the option to increase from 200 to 400 Gamerscore points, with the addition of up to 30 Achievements,” said Larry Hryb, Xbox Live’s Major Nelson. “Even better, this Gamerscore increase will be required in all new Xbox Live Arcade games starting in June 2012.”