A trailer for BioShock 2 has been discovered added on at the end of BioShock on the PS3, which began shipping across the Pond a week or so ago.

Bioshock for the PS3 was recently awarded 97% by PSM3 magazine, higher than GTA IV, which was given 96%.

Now circulating all over the web, the trailer video for the sequel to what many herald as the finest console game ever (debate it, we dare you) confirms the game's title as BioShock 2: Sea of Dreams.

The trailer features a Little Sister holding a makeshift-of-sorts Big Daddy toy, looking out over the sea. Other than that there's not much to see, sadly, though it's heavily rumoured that the second game is a prequel, and this trailer seems to support that speculation.

It seems logical to assume 2K will wait until next year to fully unveil the sequel, dodging the attention of all the awesome games coming out over the next weeks, including Gears of War 2 on 7 November and Resistance 2 on 28 November in the UK.

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• PS3 decked out with Metal Gear design (22 October 2008)

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• Nintendo unveils Wii Music (10 October 2008)

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• Manhunt 2 to hit UK on Halloween (6 October 2008)

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• Resistance 2 to hit USA on 4 November (7 September 2008)

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• Gears of War 2 scheduled for November release (21 February 2008)

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