Psycho-Sphere

Your space ship is trapped in a sphere like structure. Shoot alien objects before they hit your spaceship. Each type of alien object has its own special behavior and characteristics. New alien objects are continually being added to the sphere. Use your shield to defend your self against the aliens objects, however only use it for less than 3 seconds at a time or else your ship will explode. The Shield will not work against any of the Sphere's Axes.

Limitations:

3-minute trial