360Â°. A full circle. Thatâ€™s what Kryzer Prologue is based off of! You control the flight path an inter-dimensional cyberspace glider as it vaporizes enemy units. Instead of traditional side scrolling or vertical shoot â€˜em ups, Kryzer Prologueâ€™s unique gameplay sets you in a circular play field as you rotate clockwise around the circle.