The game was first announced at the SCEA 's Gamers Day 2007 at their Santa Monica Studios .
The game was developed by SCE San Diego Studio 's in - house studio , Team Ramrod , and published by Sony Computer Entertainment .
The game was first announced at the Sony Computer Entertainment 's Gamers Day 2007 at Sony Computer Entertainment 's Santa Monica Studios .
The game was developed by SCE San Diego Studio 's in - house studio , Team Ramrod , and published by Sony Computer Entertainment .