Planet codenames

From Sega Retro

After successfully launching the Sega Saturn, Sega retrospectively gave different codenames from the planets in the Solar System to recently released projects and subsequent ones, in order to make sorting documentation out in the future. 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 Unused.[1] Hiroyuki Miyazaki offered a few explanations for this, saying when pronounced in Japanese sounds like "Uranu" or "won't sell", what he called "an ominous name for a project."
Sega Neptune 32X/Mega Drive combo unit
Sega Pluto Sega Saturn prototype unit featuring a different shell with a NetLink Internet Modem accessory built in. Only two produced. Uses US BIOS.

Furthermore, hardware released around the time the Saturn was had codenames based on Saturn's moons:

Codename Equivalent
Titan Sega Titan Video
Janus Sega Picture Magic

It is unknown whether the Sega CD, Sega Mega Jet, Sega Pico, arcade hardware, or any other Mega Drive/Saturn-related hardware had codenames.

By the time the Sega Dreamcast was planned, Sega had moved on to a new scheme. However during the development of the Mega Drive Mini, due to an urban legend about Earth being the Mega Drive's codename, Hiroyuki Miyazaki decided to give the Mega Drive Mini the codename of "Moon".[2]


Sega Home Video Game Systems
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SG-1000 SG-1000 II Mega Drive Mega Drive II
SC-3000 Mega-CD Mega-CD II Genesis 3
Sega Mark III 32X Dreamcast
Master System Master System II
AI Computer Game Gear
Saturn
Pico Beena