If you've been trying to decide whether to get the PS3 or 360 version of Valve's upcoming Portal 2, the developer may have just made the decision for you. In a press release sent out this morning, it has been revealed that gamers who purchase the game for the PS3 will get a whole bundle of additional content that will not be available for the 360 port. First of all, the PS3 game will support cross platform multiplayer play and cross platform chat, meaning that you'll be able to play matches along with players who purchase the game for their PC or Mac via Steam while talking to them. Additionally, the game will allow cloud-based storage of your PS3, which may mean that you'll be able to access your PS3 save file on the Steam copy of the game (I've emailed Valve for clarification on this).

You may be asking yourself, "But if I have the PS3 version, why would I need to get it for Steam too?" It's funny you should ask. If you decide to link your Steam and PSN accounts, Valve will reward you with a Steam code to unlock Portal 2 at no additional cost. All of this marks the first game to support Steam functioning on a current gen console, and seems to point to a future of crossover support.

"We made a promise to gamers at E3 that Portal 2 for the PlayStation 3 would be the best console version of the product," said Gabe Newell, co-founder and president of Valve. "Working together with Sony we have identified a set of features we believe are very compelling to gamers. We hope to expand upon the foundation being laid in Portal 2 with more Steam features and functionality in DLC and future content releases."