Game developer Team Ninja has announced that it is working on a new zombie-themed action-adventure game–Yaiba: Ninja Gaiden Z. The game is a spin-off of the Ninja Gaiden game series. It stars Yaiba, a ninja back from the dead seeking revenge against the man who killed him, Ryu Hayabusa (the hero of the Ninja Gaiden series). The game is sure to feature lots of samurai vs zombie action. Production of Yaiba: Ninja Gaiden Z is being lead by Keiji Inafune, creator of the Dead Rising video game series. Check out the announcement trailer below, and visit the official Facebook page for more information.