Warner Bros. has released a new poster for this spring's epic action-thriller 300: Rise of an Empire, featuring Sullivan Stapleton as General Themistokles. The story, based on Frank Miller's graphic novel, follows Themistokles as he tries to unite all of the tribes in Greece to fight the mighty Xerxes (Rodrigo Santoro). Check out this one-sheet, then read on for details about a new online game fans can play.

As you can see in Warner Bros.' tweet above, the studio has launched a new online game entitled Tide of Blood, where users must jump from ship to ship while attacking anyone who stands in their way. CLICK HERE to check out the game and find out how many Persian soldiers you can eliminate.