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Sandopolis

Free#42 of 53 in Multi-System EmulatorsSega Master System Emulators Sega Genesis Emulators Game Gear Emulators

Sandopolis: A focused browser emulator for Sega 8- and 16-bit libraries. Ranked #42 of 53 in Multi-System Emulators by our editors (6.0/10); pricing: Free plan; best for browser users focused on Sega 8- and 16-bit systems.

6.0/10Editor score

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At a glance

Editor score
6.0 / 10
Pricing
Free plan
Best for
Browser users focused on Sega 8- and 16-bit systems
Free plan
Yes
Paid from
Free
Supported systems
4
Facts checked
20 Sep 2026

Where it wins
- Emulates Genesis, Master System, Game Gear, and SG-1000
- Loads BIN, MD, SMD, GEN, SMS, GG, SG, and ZIP files
- Includes input mapping, save states, and GIF, WAV, and BMP capture
Where it doesn't
- No netplay support
- No mobile coverage
- Early development means compatibility may change between releases

Our verdict on Sandopolis

Sandopolis is a free, open-source emulator for Sega Genesis/Mega Drive, Master System, Game Gear, and SG-1000 software. It is aimed at users who want a focused way to run Sega 8- and 16-bit ROMs through a browser or self-hosted installation. The WebAssembly frontend supports direct loading for BIN, MD, SMD, GEN, SMS, GG, SG, and ZIP files, while desktop binaries and source builds with Zig provide additional ways to run the project.

Its strongest point is system coverage within a narrow Sega focus. Sandopolis handles four systems and includes configurable keyboard, gamepad, and analog input mappings, rendering settings, persistent save-state slots, and capture tools for GIF, WAV, and BMP output. That combination makes it more than a basic ROM launcher for users who value input customization, progress snapshots, or media capture. The open-source license also suits users who want to inspect or build the emulator themselves.

The main trade-off is project maturity and scope. Sandopolis remains in early development, so compatibility and behavior may change between releases. It does not provide netplay or mobile coverage, which limits its fit for multiplayer sessions or phone-first use. Choose Sandopolis if browser access, self-hosting, Sega coverage, and open-source availability matter most. Users seeking broader platform coverage, mobile play, or online multiplayer should consider an emulator with those capabilities instead.

Your product? Our editors can test Sandopolis in depth and publish a review, labelled as paid · from $149/mo →

Sandopolis pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on github.com

Sandopolis fact sheet

Free plan	Yes
Paid from	Free
Supported systems	4
Android support	Not verified
Arcade support	Not verified
Netplay	Not verified
BIOS required	No
Shader/upscaling	Not verified
License	Open-source
Deployment	Self-hosted
Platforms	Web
Support	Community
Built for	Solo, Small business (editorial estimate)
Pricing	Free plan
Website	github.com
Facts checked	20 Sep 2026

Alternatives to Sandopolis

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Also Ranked In

Sandopolis is ranked in 4 of our directories.

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Featured on iTechGuides

Sandopolis is listed in our Multi-System Emulators directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update