Men of War: Assault Squad features a completely new cooperative skirmish game mode with access to five different nations (Russia, Germany, USA, Commonwealth and, for the first time ever in the Men of War series, Japan) as well as increased realism and accessibility.
Men of War Assault Squad community is great, great modding community partially due to the fact the game is so mod friendly, engine is quite powerful as far as what can be done with just a mod. Game itself offers so many possibilities that no other RTS can even touch.