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Sandopolis

Sandopolis is a free, portable emulator for Sega systems, with a browser version and pre-built desktop binaries.

Place
#14 of 25
Score
6.1
Sandopolis's website

What Sandopolis is

Sandopolis is a free, portable emulator for Sega systems, with a browser version and pre-built desktop binaries. It supports Sega Genesis/Mega Drive, Sega CD, Master System, Game Gear and SG-1000 emulation. Users can configure gameplay input, frontend hotkeys and rendering settings. The command line accepts supported ROM files and ZIP archives containing ROMs, along with Sega CD CUE/BIN or ISO disc images. Sega CD games require BIOS files that the project does not include. In Sandopolis Web, uploaded BIOS files remain in the browser being used. The README links to the browser version and provides a Docker image for running Sandopolis Web; desktop downloads are available from GitHub Releases. The project uses the MIT license, which the README describes as permitting commercial use. Sandopolis is in early development, and the maker notes that compatibility is imperfect, with bugs and breaking changes expected. The latest listed release is v0.1.0-alpha.9, a pre-release that includes Sega CD emulation support. The README directs users to GitHub Issues to report bugs or request features.

Good

  • Supports five listed Sega systems.
  • Offers browser access and pre-built desktop binaries.
  • Controls and rendering settings are configurable.
  • MIT license permits commercial use, according to the README.

Watch out

  • The project is in early development with imperfect compatibility.
  • Bugs and breaking changes are expected.
  • Sega CD BIOS files are required and not included.

Who it suits

Sandopolis suits users seeking a free Sega emulator with browser and desktop options, including those comfortable with early-development software. Sega CD users will need to supply their own BIOS files.

Verdict

Sandopolis covers several Sega systems and provides browser and desktop ways to run it. Its early-development status and missing Sega CD BIOS files are important considerations for prospective users.

Plans and prices

From Sandopolis's own pricing page, checked 8 Oct 2026.

All about pricing
PlanPriceWhat it gives you
SandopolisFreeMIT-licensed · early development

The facts

Each one read from Sandopolis's own pages, with the date it was checked.

Where it runs

BIOS requirement
Sega CD games require BIOS files that are not included with the project.checked 8 Oct 2026
Web BIOS storage
For Sandopolis Web, uploaded BIOS files are kept in the browser being used.checked 8 Oct 2026

What it does

Configurable controls
The emulator can configure gameplay input, frontend hotkeys, and rendering settings.checked 8 Oct 2026
Desktop downloads
Pre-built desktop binaries are available from the project's GitHub Releases page.checked 8 Oct 2026
Development status
The project is in early development, and the maker says compatibility is imperfect and bugs and breaking changes are expected.checked 8 Oct 2026
License
The project is licensed under MIT, which the README describes as permissive and allowing commercial use.checked 8 Oct 2026
Purpose
Sandopolis is a portable multi-system Sega emulator.checked 8 Oct 2026
Release stage
The latest listed release is v0.1.0-alpha.9, described as a pre-release that includes Sega CD emulation support.checked 8 Oct 2026
ROM formats
The command line accepts supported ROM files, ZIP archives containing ROMs, and Sega CD CUE/BIN or ISO disc images.checked 8 Oct 2026
Support
The README directs users to GitHub Issues to report bugs or request features.checked 8 Oct 2026
Systems emulated
It supports Sega Genesis/Mega Drive, Sega CD, Master System, Game Gear, and SG-1000 emulation.checked 8 Oct 2026
Web version
The README links to a browser version and provides a Docker image for running Sandopolis Web.checked 8 Oct 2026

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