On the title screen, click on "Play Now" to start the game. There is also a button to download a larger version of the game from the game's developer's. This entry will only cover the web version. After every stage, you will have to click on the "Continue" button to advance to the next stage. The game is over when your planet is destroyed, or you complete all 6 stages. The amount of ships you have is infinite, but you have a hefty respawn time of 6 seconds when your ship is destroyed. When the game is over, you have the option of playing again or submitting your score. Choosing "Play Again" will restart you on the last level you played, but will reset your score. (With the exception of completing all 6 stages, in which case you will start a new game from the first level and your score will