Like most teasers, it doesn't reveal much. Subtitled The Sea of Dreams, the short video features what appears to be an older Little Sister holding a Big Daddy doll and staring at the sea, when suddenly pillars begin emerging from the sand to form a city. Check it out after the jump!
BioShock is one of the best games released so far for current generation consoles, combining a pretty impressive story with an awesome atmosphere, good music, and great gameplay. The teaser trailer will certainly get many excited for the sequel, which has been confirmed for a release on Xbox 360, PlayStation 3 and PC in the second half of 2009.