(Compressed Hunks of Data) format. This significantly reduces file size while remaining compatible with major emulators like RetroArch (FinalBurn Neo) and the MiSTer FPGA. Where to Find New Sets (As of 2026)

sources ensures these are high-quality, verified disc images. 1. Essential Tools

Why? Because SNK handled regions differently on CD.

1G1R refers to a single-game, single-region dump revision used in homebrew/archival communities to identify a precise ROM image. For Neo Geo CD by SNK, a “1G1R redump” note means a newly verified dump of one game, one region, matching Redump/No-Intro standards.