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Sega planet codenames
From Sonic Retro
After successfully launching the Sega Mega Drive/Genesis, Sega commissioned several projects under different codenames of the planets in the Solar System. These are listed below.
| Codename | Equivalent |
|---|---|
| Sega Mercury | Sega Game Gear |
| Sega Venus | Sega Nomad |
| Sega Earth | Unused |
| Sega Mars | Sega 32X |
| Sega Jupiter | Cart-based 32-bit system; abandoned in planning stages in favor of a disc-based system that became known as... |
| Sega Saturn | Final name. |
| Sega Uranus | Unknown, possibly unused |
| Sega Neptune | 32X/Mega Drive combo unit |
| Sega Pluto | Unknown, possibly unused |
By the time the Sega Dreamcast was planned, Sega had moved on to a new scheme.
| Sega Game Systems (by console gen) | |
| 1st Gen | SG-1000 (Mk II)(Mk III) | System 16 |
|---|---|
| 2nd Gen | Master System | Game Gear | System 24 |
| 3rd Gen | Mega Drive/32X/CD | Pico | System 32 |
| 4th Gen | Saturn | Model 2 |
| 5th Gen | Dreamcast | NAOMI |
