A Ruby-based arcade space fight game that's free to play.
To control your ship, you simply use the left and right arrow keys to turn, while the up and down arrows adjust the power, or velocity, of your torpedos. Once you have your target in sight, press the space bar to shoot.
If you need a break from the music, simply toggle it on and off with the left alt key. If you encounter a difficult level, use the left control key to generate a new board. To quit the game, press the ESC button.
For users who prefer not to play in full screen mode, Planets! can be run from the command line using the -w option. Overall, Planets! is an engaging and challenging game that is sure to keep you and your friends entertained for hours.
Version 1.0: N/A