Short facts: - 6 Stages - 4 Game modes: Novice/Original/Maniac/Omake - Elaborate scoring systems - 40+ Fully animated CGI enemies - 7+ Huge fully animated boss enemies - 3D scrolling CGI backgrounds - Constant 60 fps - Difficulty rank system EX Version specific changes: - First port based on the arcade original with all graphics and animations intact. - Added stage and boss select for training - Added full autofire - Normalized diagonal player movement - Improved button priority between shot modes (FRONT,LASER,BACK,AUTO) - Increased player fast strike shield endurance - Improved background contrasts - Added additional background layer graphics - 32 bit like graphic updates - hundreds of small fixes