What is Command and Conquer red alert 3

Command & Conquer Red Alert 3 Is a strategic single or multiplayer game.
In this is game your goal is to Command and army and Conquer the world as Russia ( Soviet Campaign ), Allies ( Allied Campaign ) or Japan ( The campaign of The Empire of the Rising Sun ).
Lead your faction to victory and please your leaders... but be careful, they might try to take you out.
I have the whole series and it is an extraordinary series! If you like this one, try one of the extensions: Uprising or Tiberium Wars!
Good luck, comrade!