Atari800

6.9easy start · #13 of 54
in Multi-System Emulators

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Android, Linux, Mac, Windows.

Atari800 is ranked #13 of 54 in multi-system emulators on The Geeks Club. It runs on Android, Linux, macOS, Windows. There is a free plan.

Atari800 plans and pricing

All plans

Atari800 Free Freely distributable; source code available under GPL version 2 atari800.github.io · 30 Sept 2026

Compared on multi-system emulators

Free plan: Yes
Atari systems: Atari 400, 800, 1200XL, 600XL, 800XL, 65XE, 130XE, 800XE, XE Game System, 5200 SuperSystem
Supported platforms: Linux, Windows, macOS, Android
Save states: Yes
Controller remapping: Yes
BIOS required: Yes

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The record

Purpose: Atari800 emulates Atari 8-bit computer systems and the Atari 5200 game console.
Emulation: It supports cycle-exact 6502, NMI, POKEY, ANTIC and GTIA emulation.
Disk images: It supports ATR, XFD, DCM, ATR.GZ and XFD.GZ disk images and emulates up to eight disk drives.
Media and files: It can load Atari executable files and BASIC programs, emulate cassette tapes, and save files to the host computer through the H: device.
Controllers: It supports real joysticks and emulates paddles, light pens, light guns, mice, trackballs and other controllers.
Output: It can save screen snapshots as PCX or PNG and write sound output to WAV files.
Platforms: The project lists SDL2 on Linux, macOS and Windows, plus an Android version named Colleen.
Downloads: Source code and binary packages are available from GitHub releases, and Linux packages are also available through Debian and Fedora instructions.
Recent release: The GitHub releases page lists Atari800 v7.2.1, dated 2026/09/13, as a release that fixes build errors.
Network feature: The release notes describe NetSIO and FujiNet support for network SIO over UDP, including configurable port settings.
Security: The project page describes Atari800 as a freely distributable emulator with source code available; it does not state security certifications or compliance claims.
Support: The project directs questions, bug reports and discussions to its user mailing list and invites bug reports or pull requests through GitHub Issues.
License and implementation: Atari800 is written in C and developed under the GPL version 2.
Founded: 1995
Price from: Free

Where it ranks on The Geeks Club

Best Multi-System Emulators in 2026#13 of 54
Best Atari Emulators in 2026#4 of 21

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Sources

atari800.github.io· checked 30 Sept 2026
atari800.github.io/features.html· checked 30 Sept 2026
atari800.github.io/download.html· checked 30 Sept 2026
github.com/atari800/atari800/releases· checked 30 Sept 2026
atari800.github.io/contact.html· checked 30 Sept 2026
atari800.github.io/development.html· checked 30 Sept 2026