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Geargrafx vs Mednafen: catalog facts
Geargrafx	Mednafen
Free Free and open source.	Free Free and open source under the GPL.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Covers HuCard, SuperGrafx and CD-ROM² software Built-in debugger for development work	One accurate emulator covering a long list of systems Saturn and PC Engine emulation are among the most accurate available
Covers only the PC Engine family Smaller project than multi-system emulators	Command-line driven with no real graphical interface Configuration is a text file with many options
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.