SEGA recently announced on Twitter that the latest game in the SEGA Ages series is Shinobi and today the company revealed that it will be available for purchase in Japan on 31st October, which is this week. This revitalised version of the classic includes features such as new difficulty tweaks and a stage select function. You will also be able to use the rewind function. A release date has yet to be announced for the west, but we shall endeavour to keep you informed.