http://steamproxy.com/steamstore/app/301750/

RADical ROACH Deluxe Edition is a fast paced shoot em’ up, set minutes after nuclear hell falls from the sky engulfing all but a few tough little bugs. Following are the steps to the Steam key of this game for free.

1. Go to {LINK REMOVED}Indiegala and scroll down a little.
2. Insert your email id.
3. Validate the captcha
4. Go to your profile and click on "Bundles Library" and then "Indiegala Giveaways"
5. Get the key for the game.