Rules

• Press arrow keys to move your spaceship ()
• Avoid the other's spaceships' bullets. Try not to hit them directly and to not make them reach the bottom
• Kill the invaders () with your bullets (), by pressing spacebar, or by throwing bombs (), by pressing B
• The different colors of the invaders (like ) show the amount of health they have
• Your health () and the wave count are in the bottom bar, aswell as the upgrades you managed to get (), which are dropped by the invaders when hit
• A list of all the commands and upgrades can be seen by pressing I, aswell as a volume control, which can be muted at any time by pressing L. Press P to start playing