The first downloadable content pack was the Manhattan Project Pack, which adds three new multiplayer maps for 2v2 and 3v3 games and two new multiplayer modes, Total War and Nuclear War( It weakened the nuclear artillery but it is still a big nuisance but your air power can tip the scales ).
The second downloadable content pack was announced for R.U.S.E. and is called The Chimera Pack. This was shortly confirmed afterward that The Chimera Pack DLC arrived on January 18 for PC, Xbox 360 and PlayStation 3. This DLC adds 3 new multiplayer maps, with a real change of scenery and 3 exclusive challenges.
The Pack of The Rising Sun is third and final downloadable content pack and it gives players the opportunity to command the Japanese Army in both solo and multiplayer modes. It features 28 new units and factories in three new operations dedicated to the Imperial Japanese Army - Gold for the Brave, Ostfriesland, and For Honour.
These are the current Ruse DLCs: