R-Theta II

R-Theta II is an arcade-style SHMUP "in" polar coordinates. The game is based entirely in a circle, and all motion in the game is angular (rather than on a Cartesian grid).You control a triangular shooter mounted on a spinning radar-scope-like line. You must prevent various enemies from hitting this line by shooting them, which will cause the line to continually rotate faster. Some of the enemies shoot at you, causing the triangular shooter to temporarily freeze in place. As the game progresses,...