 Kallen makes an appearance in the "" video game in her Knightmare Frame, the "Guren" Mk-II in an alternative event of R2.Kallen appeared in her world, in an alternative event of episode 6 of the second season, on a mission in her "Guren Nishki" to destroy a group of "Caerleon" battle ships until a group of "Sutherland" Knightmares appears.Kallen manages to defeat them all, but her "Guren"'s radiation surge wave arm was badly damaged, but also fell when the ship began to shake, which led Rakshata to send her unit to transform her "Guren Nishki" to the "Guren Kashōshiki".