Battle waves of EM beings from outer space in Mega Man Star Force 3: Black Ace for the Nintendo DS. As Geo Stelar, fuse with the alien Omega-Xis to become Mega Man and protect Earth from a new meteor-based threat. Utilize the new "Noise" system to transform Mega Man with unique abilities based on encountered Noise Forms. Collect Battle Cards, engage in strategic grid-based combat, and customize your powers in this exciting chapter of the Star Force saga.