Retroids, a version of the classic arcade game Asteroids, has just gone free. The last time this game was free, the deal only last about a day, so pick it up quick if you’re interested. You can choose between a crayon and paper theme, or stick to the classic graphics of the original Asteroids game. The game is compatible with all Fire TV devices, including the Fire TV Stick. It can be played with either a game control or the Fire TV remote.