Sony has finally unveiled the third game from Fumito Ueda's Sony Japan team, previously codenamed Trico. Now it's called The Last Guardian.

In a polished re-run of the leaked trailer from a while ago, we see an Ico-esque boy's first encounter with the winged cat/rat/bird thing that he seems to befriend, while that music from Miller's Crossing plays over the top.

Kiddo climbs on the creature's head and surveys a crumbling city as the sun sets over a mountain range, and then we see the other sights: cat/bird/wotsit meowing/crawing at him emotively, boy sneaking up on it while it appears to sleep in the shadows, and various shots of co-operation.

There are bridges giving way as the boy clings to the creature's tail, gloriously pretty underwater bits, lots of lush vegetation and dancing insects caught by the sunlight - and some grumpy swordsmen, who fall foul to physics-based deaths.

The footage goes into more depth than the leak overall, with a mixture of platform and puzzle-style scenes and more peaceful, er, sleeping scenes.

It's due out for PlayStation 3 exclusively, although we didn't catch a date from Sony America boss Jack Tretton.