The player controls the ship, shooting laser to enemies, launching homing missiles and fighting bosses.
Each level the enemies differ, more difficult enemies are added and more difficult bosses. Each boss moves on its own unique pattern.
Collect power ups like health, missiles, and bomb that kills every visible enemy to clear the stage.
Fight through 16 ready levels.
Collect the parts from the exploded enemy ships.
Use the collected scrap as a currency to upgrade your own ship.
On desktop browsers use WASD or ARROW keys to move, 'X' of Shift key to launch missile. Use the mouse to select levels or select which part of your ship to buy in hangar.
On mobile browsers there are two options to move the player's ship which you can choose in the settings menu.
The default is by using a virtual joystick like many arcade games and the other is to move the ship using your thumb. You can launch the missiles using the touch button on the right