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Atari800 for 3DS v0.4.1 by asiekierka

Released Aug 2, 2026 · Emulators
11,726 downloads on GitHub · Source code

Atari 8-bit computer and Atari 5200 emulator, a 3DS build of Atari800 7.1.2

Emulators.3dsx

Install on your 3DS

QR code of the download link for atari800.3dsx

Method 1Scan the QR code
With 3dsDL (Scan QR Code). Save it to sdmc:/3ds/.

Method 2Send it to your 3DS
Open 3dsDL › Receive on the same Wi-Fi, then press:
Send to 3dsDL
It saves to 3dsDL's Download Folder (Settings), so set that to sdmc:/3ds/ first. Updating? Use Method 1: Send keeps the old file next to the new one.

Other ways to install

From your SD card: copy atari800.3dsx into /3ds/ and start it from the Homebrew Launcher.

Files

FileSizeSHA-256
atari800.3dsx917 KB 6a3b789b…15dd Download

Downloads come from the developer's GitHub release while it's there. If GitHub stops serving a file, or the file there changes, the same link serves our copy.

All versions (6)

Screenshots

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About Atari800 for 3DS

Atari800 was first written by David Firth and is now kept going by the Atari800 Development Team. asiekierka did the 3DS port.

Altirra OS and Altirra BASIC are built in. Original Atari ROMs, if you'd like to use those, go in sdmc:/3ds/atari800/. Sound needs a DSP firmware dump (dspfirm.cdc). L opens the emulator menu.

Release notes

v0.4.1 · atari800-3ds 0.4.1 · Aug 2, 2026

  • Fix some regressions.

Full changelog

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