Ubisoft has announced some more details regarding the multiplayer beta for Assassin's Creed: Brotherhood.

Starting in September, the beta will be exclusive to PlayStation 3, and only available to those who pre-order the game.

Ubisoft has also announced three editions of Assassin's Creed for all platforms - PlayStation 3, PC and Xbox 360. In addition to the standard edition, there are two collector's editions, the Auditore Edition and the Limited Codex Edition. We're told the Limited Codex Edition is exclusive to EB Games.

Both editions are detailed in the screenshots attached to the bottom of this article.