Win a free copy of CastleStorm through the power of song

Zen Studios, the developer behind upcoming physics-based war game CastleStorm, offering users the chance to win a free copy of the 2D title with the announcement of a karaoke contest.

Alternative prizes include Zen Studios slippers and redeemable codes for the net Pinball FX2. In order to enter, interested users must submit a link of their CastleStorm music video based on the trailer seen below, then send it directly to Zen Studios at or to the developer's Twitter account @zen_studios.

The contest will run until November 16 at 11:59 p.m. PST.

CastleStorm is scheduled to launch on Xbox Live Arcade next year.

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