Halo Legends is a collection of eight short stories relating to the Halo universe. Announced at Comic-Con and financed by 343 Industries, the animation was created by five Japanese production houses: Bones, Casio Entertainment, Production I.G., Studio 4°C, and Toei Animation. Shinji Aramaki, creator and director of Appleseed and Appleseed Ex Machina, serves as the project's creative director.