This game has been Greenlit by the Community!

The community has shown their interest in this game. Valve has reached out to this developer to start moving things toward release on Steam.

Greenlight is being retired. For more information on how to submit games to steam, refer to this blog post.
The Tank Game
Patch released!
February 25, 2013 - ttgdev

Update is now out featuring destructible terrain pieces and improved match customization along with updated visuals and effects.

Full info and patch notes []