Portal: Still Alive for XBLA next week
According to this GameScoreBlog post, Portal: Still Alive will release for XBLA next week. It's Portal, but with extra bits.
"In addition to the original award winning first-person puzzle experience, Aperture Science is proud to provide 14 new challenge maps exclusive to Xbox LIVE Arcade," says the entry. "Six advanced maps will also be provided to help guide you along the way.:
More through there.