New downloadable content for Total War: Shogun 2 is now available on Steam. The new DLC does not add a new playable clan like the previous Total War: Shogun 2 DLC, but rather it adds 10 new units usable both in singleplayer and multiplayer.
The 10 new units that can be found in the 'Sengoku Jidai" Unit Pack DLC on Steam are: (The clans listed are those the new units are usable by in singleplayer)
1) Bulletproof Samurai unit – Date clan 2) Marathon Monk – Uesugi or Ikko Ikki clan 3) Hand Mortar – Hojo clan 4) Heavy Gunner – Shimazu clan 5) Wako Raider – Mori clan 6) Mounted Gunner – Tokugawa clan 7) Bandit – Hattori clan 8) Long-Yari Ashigaru – Oda clan 9) Fire Cavalry – Takeda clan 10) Daikyu Samurai – Chosokabe clan
So if the new 'Sengoku Jidai' DLC interests you head over to the Steam Store and pick it up.