SMSGGDJ
SMSGGDJ is legal open-source Sega Master System homebrew, ready to run in your browser with keyboard, gamepad and mobile controls.
SMSGGDJ is legal open-source Sega Master System homebrew, ready to run in your browser with keyboard, gamepad and mobile controls.
SMSGGDJ is open-source Sega Master System homebrew released in 2026 by little-scale. Genre: Music. The Sega Master System was Sega’s 8-bit home console, known for sharp arcade conversions and series such as Alex Kidd, Wonder Boy and Phantasy Star.
The official homebrew ROM is included under its MIT license and launches directly in the browser emulator.
Want more after SMSGGDJ? The related Sega Master System games below are one click away — all free, all instant, all in your browser.
You can play with keyboard, gamepad, or touch (on mobile). The default keyboard layout is below; remap any key inside the emulator settings.
Yes. Every game on OldGames.Games is free to play in your browser. There are no downloads, hidden fees or account requirement for single-player games.
Yes. The emulator supports save states — you can save the exact moment you're at and resume later from any device by signing into a free OldGames account.
Yes. The emulator includes touch controls optimised for phones and tablets. iPhone, iPad, Android — all supported.
Yes. Connect any USB or Bluetooth controller (Xbox, PlayStation, 8BitDo, Switch Pro, etc.) and it will be detected automatically.
