Psychedelic Shooter Windows game

The game is a psychedelic shoot'em up, with only simple geometric figures.

The more you progress, the more game becomes insane.

You can only move on a circle and shoot to the center of this circle.

Your health is increased by one for each wave that you survive but everything goes more and more faster.

When you're hurt, a shield grow around you and destroy all danger in its range.

Things that changes troughout the waves:

Wave 1:

Simple triangle that can shoot

Wave 6:

Explosions of circles at random position

Wave 10:

Sinus and Cosinus functions go trough the screen at random position

Wave 15:

Colors switches endlessly

Orbit of the player grow and decrease