A HD update of retro platformer Castle Of Illusion will be released on PSN this summer, Sega has confirmed.It is described by Sega as a “HD reimagining,” and is in development at Sega Studios Australia. The director of the original game has had input on the new title, and Sega has promised that it will include “elements that were intended for the original game, but couldn’t be achieved until now.”It looks likely to be Sega Studios Australia’s last title, as it was confirmed recently that the developer isset to close.