lower left corner of the game screen has identified blood, blood to zero will end the game. There are accelerators and laser meter, accelerators can be used when full speed, will instantly pull away with the enemy, but remember not to use the down time; or the use of slow motion device will slow down the action for all . Laser set is full, you can use the laser gun has been through the enemy lines, to sweep the table is very easy to use. When all enemies are destroyed after some can cross the border and enter the upgrade menu, there are three you can upgrade: Upgrade to upgrade the power of the body blood upgraded weapons rate of fire weapons, even if the dead do not worry, this game can be a direct correlation, do not be afraid all the re-play. This game is in English formerly known as: Space Commander