Gamespot's posted up first impressions and trailer from Ninja Gaiden Sigma 2. Watch the video after the break.

The game's now confirmed as featuring Dead or Alive's Ayanne as a playable character, and will support online co-op.

The PS3 exclusive's being shown this week for the first time at GDC. It'll be out in America and Japan later this year, with a European date unannounced as yet.

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