Mobile Suit Gundam Side Story - Optional Guide ROM download is available to play for Sega Saturn. This Gundam game is the US English version at EmulatorGames.net exclusively. Download Mobile Suit Gundam Side Story - Optional Guide ROM and use it with an emulator. Play online Saturn game on desktop PC, mobile, and tablets in maximum quality. If you enjoy this free ROM on Emulator Games then you will also like similar titles Mobile Suit Gundam Seed - Battle Assault and Mobile Train Simulator - Keisei - Toei Asakusa - Keikyuusen.