Chair Entertainment announced today that its aquatic action shooter known as Undertow will hit the Live Arcade Wednesday, November 21.

Briefly described as Geometry Wars meets Battlefield, the Unreal Engine 3 powered Undertow is an adrenaline-packed action shooter pitting players against a wide variety of enemies across 15 solo underwater stages in all. For those wanting to duke it out amongst their friends, the game features a multiplayer mode supporting up to 16 players.

Weighing in at around 50MB, Undertow will be available via Microsoft’s XBLA service for 800 Microsoft Points.

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