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MAME vs Atari800: catalog facts
MAME	Atari800
Free Free and open source under the GPL 2.0. No ROMs are included.	Free Free and open source under the GPL.
Windows, macOS, Linux	Windows, macOS, Linux, Android
Covers thousands of arcade, console and computer systems in one program Accuracy is the stated priority, so behaviour matches the original hardware	Covers Atari 8-bit computers and the 5200 Very portable, with many ports
Accurate emulation of later hardware needs a genuinely fast machine ROM sets must match the exact version MAME expects, which frustrates newcomers	Plain interface compared with newer emulators Android version goes under a different name
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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