is officially getting a sequel. Gamerscore Blog
reveals that Portal: Still Alive
will continue the single player story found in the original Orange Box
collection, and will add new challenges. The title will be available through Xbox Live Arcade ... although no word on either a PC or PS3 version at this time. Considering the massive popularity of the original, this is a huge win for XBLA. Potential details of the sequel may have been leaked here
Yup, confirmed. Microsoft has announced that Portal: Still Alive
will come to XBLA this fall -- the release will feature new levels and achievements in addition to the original content. No lie, cake or otherwise.