Again less than 12 months passes between releases. Admittedly, Bungie only published Marathon Infinity. Double Aught created the scenario, which used the Marathon 2 engine largely unchanged.

Double Aught was headed by Greg Kirkpatrick and Randy Reddig. The group later planned to build a portal-based engine for a game to be called Duality, which was never completed or released.

Kirkpatrick had previously worked at Bungie and founded Double Aught.