Aquatic shooter Undertow goes 20,000 leagues under the sea beginning Nov. 21 on Xbox Live arcade. The fifteen-level campaign with co-op will also have multiplayer modes supporting up to sixteen people. A basic gameplay trailer can be found above and a more elaborate trailer can be found after the break. We already feel bad for some of the smaller games coming out during this jam packed holiday season, but we feel even worse for the XBLA titles screaming for attention in all the fracas.

This article was originally published on Joystiq.

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