1983 · Sega · Japan · console
Sega SG-1000
Sega's first console, launched the same day as the Famicom that buried it.
Mixed Trivial to run ▶ Watch on YouTube ↗
Sega's first home console, released in Japan in 1983 on the very same day as Nintendo's Famicom — and comprehensively outsold by it. It was the stepping stone whose hardware Sega refined into the Master System.
Among its games was Girl's Garden, the debut of a young Yuji Naka years before he made Sonic run.
Under the hood
- CPU
- Zilog Z80 @ 3.58 MHz
- Memory
- 1 KB
What it cost
only about 5% of a month’s pay in 1983 · about $198 today
| Japan launch price (¥15,000) |
¥15,000 (1983)
Sega’s first home video game console, released on July 15, 1983 (the exact same day as Nintendo’s Famicom). |
|---|---|
| Typical street price | — No verified mass-market street price recorded yet. |
| Units sold | ≈2,000,000 estimate Approximately 2 million units across SG-1000, SG-1000 II, and SC-3000. |
Why it mattered
The SG-1000 was Sega's first step into consoles, launched into the Famicom's shadow but establishing the hardware line and talent — including a young Yuji Naka — that led to the Master System and beyond.
Emulating it today
| Emulators | Genesis Plus GX, Gearsystem |
|---|---|
| Setup effort | Trivial to run (0 on this site's scale) |
| Controls | A standard modern controller covers the ordinary controls, though unusual accessories may need custom mapping. |
| Runs on a handheld | Yes |
A simple Z80 cartridge machine that Genesis Plus GX and Gearsystem emulate flawlessly, with no BIOS required. Setup is install-and-open; the only real choice is which multi-system core to use, since most Master System emulators also cover the SG-1000.
Firmware
This system needs no firmware file. Install an emulator, open a game, and it runs.
How many files you need: none to go and find. No separate firmware file is needed for an ordinary setup. Genesis Plus GX and MAME emulate SG-1000 cartridges directly.
Firmware details checked 2026-08. Emulator requirements change — see SG-1000 — Emulation General Wiki for the current list.
Where the software is
Preservation catalogues describe verified dumps; they do not grant permission to download commercial software. A curated, correctly matched set is easier to use than an undifferentiated archive.
Copyright: Commercial software remains copyrighted unless its owner explicitly released or relicensed it. Homebrew, public-domain programs and current reissues should be treated separately from abandoned commercial titles.
This site names preservation projects and explains what they are. It does not link to ROM downloads.
Where to start
- Girl's Garden 1984 action
Yuji Naka's first game, years before Sonic.
- Flicky 1984 platformer
- Congo Bongo 1983 platformer
- Sega-Galaga 1983 shooter
The verdict
Of interest for Sega's origins and Girl's Garden; the games are simple early-eighties fare.
It was outclassed by the Famicom on day one — a historical curiosity more than a place to play.
- Worth it if
- Players curious about sega home consoles and willing to learn how the original machine worked.
- Not for
- Anyone who wants a large, instantly accessible library and no model, firmware or control decisions.
Scored 3/5 for fun today and 3/5 for historical importance. Those two scores decide the label at the top — a machine can matter enormously and still be no fun.
Read more & watch
This page is 50% complete against the facts we try to record for every system. Gaps are shown as gaps.