BioShock: Infinite announced - Trailer

Ken Levine returns with 'Rapture in the sky'

Hold on to your hats: Ken Levine's Irrational Games has just announced BioShock: Infinite - see the first screenshots below.

The spin-off's set in the flying city of Colombia - a sort of Rapture in the clouds.

Infinite looks set to reintroduce plasmids, a brash art style and a version of the Big Daddy. We even thought we spied Andrew Ryan in one frame.

The bad news? It's out in 2012 - that's five years in development. Booo...

For the first details and impressions read our BioShock: Infinite gameplay preview.

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