The PS3 port of not-so-Wii-exclusive Tales of Graces has been given the usual slew of expansions, including a set of Code Geass costumes and even a Hatsune Miku outfit.
Costumes on offer include Karen, C.C. and others:
It is not clear whether the costumes will be included or supplied individually as ridiculously priced DLC, although with Namco the latter seems likely.
The justification for the otherwise inexplicable connection is apparently that the seiyuu for Geass character Suzaku also plays one of the heroes in Tales of Graces, Asbel.