Xbox Live Director of Programming Larry Hryb (Major Nelson) has confirmed that Xbox Live Arcade games will be increased to a 400 Gamerscore base. Hryb wrote the following in a blog post:
"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. Even better, this Gamerscore increase will be required in all new Xbox LIVE Arcade games starting in June 2012."
Currently, XBLA games are released with a base score of 200 Gamerpoints and a maximum of 20 Achievements. Developers can add up to five Achievements for 50 additional points via downloadable content. The report claims that the new base will be 400 points, with up to 100 points able to be added via DLC. In addition, up to eight Achievements may be added per quarter for up to one year, leading to a new maximum of 800 points.