Duke Nuken 3D coming to XBLA "sometime in September", adds film feature and rewind gameplay

Joystiq is reporting that Duke Nukem 3D has passed Microsoft certification, and will be released on Xbox Live Arcade "sometime in September".

They are also reporting that the game is going to have a saved film feature [where you can record bits of gameplay from multiplayer matches and send them to your friends], as well as gameplay rewind feature, a la Braid.