SD Gundam World - Gachapon Senshi - Scramble Wars - Map Collection (Disk Writer) ROM Download available for Nintendo Famicom Disk System on Emu Games. Play Gundam emulator game in the United States of America (USA) region version. SD Gundam World - Gachapon Senshi - Scramble Wars - Map Collection (Disk Writer) is a Famicom game that you can download to your computer or play online within your browser. You can also download free roms that work on all your devices in high quality such as LSD Dream Emulator, SD Gundam G Generation DS and SD Gundam G Generation Advance.