Gravl, a gravity puzzle game, has just gone free for a limited time. This is the first time this game has ever been free. Int this game, you roll a ball shaped astronaut over various gravity switches that each effect the games gravity in unique ways. It features over 25 challenging levels and has a great 4 star rating. The game is compatible with both the Fire TV or Fire TV Stick and works with either the game controller or remote control.
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