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SPECIFICTION
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z26

github.com

Free plan WindowsmacOSLinux
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Spec score 7.1 #16 of 25 in Atari Emulators

What it is

z26 is a free, open-source Atari 2600 emulator for Linux, macOS, and Windows. The maker lists version 4.07 as the current SDL2 and OpenGL release for those systems, with Windows and Macintosh executables plus source code. A separate DOS release is listed as version 1.58. Input support covers PC and USB joysticks, gamepads, mouse, and keyboard. A mouse or PC trackball can operate trackball and paddle games; mouse input is also documented for light-gun games, while keyboard input supports driving-controller games. z26 handles several cartridge bank-switching schemes, including standard 8K and 16K, Atari Super-Chip, CBS Ram Plus, and Pitfall II. Digital sound processing has low and high settings. Developer tools include trace mode, scanline counting, and controls for disabling individual graphics objects. The project is licensed under GNU General Public License Version 2. Its listed plan costs nothing, and the license states the program comes without warranty to the extent permitted by law.

Spec sheet

Purpose
z26 is an open source Atari 2600 emulator.Read 8 Oct 2026 · github.com
License
The project README says z26 is released under the GNU General Public License Version 2.Read 8 Oct 2026 · github.com
Cartridge formats
The documentation lists support for multiple bank-switching schemes, including standard 8K and 16K, Atari Super-Chip, CBS Ram Plus, and Pitfall II.Read 8 Oct 2026 · github.com
Controllers
The documentation describes support for PC and USB joysticks and gamepads, as well as mouse and keyboard input.Read 8 Oct 2026 · github.com
Current release
The maker’s site lists version 4.07 as the current SDL2 and OpenGL release for Windows, Linux, and Mac OS X.Read 8 Oct 2026 · whimsey.com
Developer features
The documentation describes trace mode, scanline counting, and the ability to disable individual graphics objects for game developers.Read 8 Oct 2026 · github.com
DOS release
The maker’s site lists version 1.58 as the current DOS release.Read 8 Oct 2026 · whimsey.com
Downloads
The maker’s site links Windows and Macintosh executables and source code for the SDL2 and OpenGL release.Read 8 Oct 2026 · whimsey.com
Sound
The documentation says z26 supports digital signal processing on sound, with low and high settings.Read 8 Oct 2026 · github.com
Special controllers
The documentation describes mouse support for light-gun games and keyboard support for driving-controller games.Read 8 Oct 2026 · github.com
Trackball and paddles
The documentation says a mouse or PC trackball can control trackball and paddle games.Read 8 Oct 2026 · github.com
Warranty
The included license text states that the program is provided without warranty, to the extent permitted by law.Read 8 Oct 2026 · github.com

Plans and prices

z26 Free Open source Atari 2600 emulator · GNU General Public License Version 2 Read 8 Oct 2026 · github.com

Every z26 plan and price →

Strong points and limits

Strong points

  • Supports Linux, macOS, and Windows
  • Handles multiple cartridge bank-switching schemes
  • Supports joysticks, gamepads, mouse, and keyboard
  • Includes trace and scanline tools
  • Free under GPL Version 2

Limits

  • No free trial is listed
  • DOS is listed separately from current SDL2 release
  • Program is provided without warranty
  • Sound processing has only low and high settings

Who it suits

z26 suits people who want to run Atari 2600 software on Linux, macOS, or Windows, including users of varied controllers and developers needing trace or graphics-debugging controls.

Verdict

z26 offers broad Atari 2600 cartridge and controller support across three desktop platforms, with additional DOS release information. Its developer-oriented tracing and graphics controls extend beyond basic gameplay, while the GPL license and no-warranty terms define its use.

Where Specifiction places it

Alternatives to z26All alternatives →