Bears vs Vampires

A Vampire Empire is expanding towards humanity, destroying everything in its way. A new dark era is raging over what was peaceful one time. Humans are losing the war, they are helpless and desperate, only a few cities survived and now they are burning in flames. Leaving their caves, Bears are trying to help people in their fight against Vampires. Help Bears to choose the right strategy and defend the Vampires expansion across the whole World during 3 eras: Ancient, World War 2, Future(Coming soon...). You are going to Rewrite the History !!!