Space Defenders (itch) (javisk)

The game consists on defending planet Earth from the attack of alien spaceships and asteroids. The player controls an ally spaceship that rotates around the Earth and shield it from enemy attacks. 

There are three types of defensive barriers, the red one heals the Earth, the yellow one absorbs energy projectiles and it can shoot a laser beam when the energy bar is filled, and finally, the blue one can reflect enemy missiles. 

The objective is to get the highest score possible.