Today, Ubisoft announced that the first downloadable content (DLC) for R.U.S.E. called The Manhattan Project Pack is now available for free on Xbox Live, PlayStation Network and Steam.

The Manhattan Project Pack offers new challenges, including 3 exclusive multiplayer maps, along with 2 additional multiplayer modes. These modes will affect strategy and pace, and allow player to create nuclear cannons and benefit from accelerated technology evolution.

Details of the multiplayer maps are as follows:
- Twilight of the Gods, 2 vs 2
- Vesuvio, 2 vs 2
- Guns and Tulips, 3 vs 3

The two additional multiplayer modes are:

- Nuclear War: all the prototypes factories, researches and upgrades are unlocked from the beginning.

- Total War: the player starts in 1939 with the units and the specificities of that time. He will then unlock 1942 units and 1945 units step by step.