Ubisoft have announced today that Tom Clancy's Rainbow Six 4 is in development, and should be out next spring featuring a darker plotline, and all manner of enhancements. The PC, and are mooted as the format's of choice. Long-standing game creators Red Storm and Montreal will create this new outing as part of a team effort.

The improbably named Ding Chavez and Dieter Weber will be two new playable characters available for the player's selection. Online-wise, an Xbox exclusive career mode and a PS2 exclusive rivalry mode will both feature, not to mention new objects to discover and a new graphics engine on the PS2. Much of the game will be based on Rainbow Six 3: Black Arrow, we're told. Chaos Theory, the latest bearing the brand, will be out in March 2005. More soon.

By Luke Guttridge