Command and Conquer Red Alert 2 Yuris Revenge
In this single player mission, you fight as the Soviets against an unknown force controlling the world! There is a 25 minute period where they throw a ton of forces at you, all Allied and Soviet and some Yuri.
There's a huge war between The Soviet Union and the USA (as ever). This time Tanya and Boris driving an elite Apocalipse tank and trying to change the war.