SegaDevs

From Sega Retro

Sega Development Studios
Japan R&D; 1982-1983
Sega Research and Development
Japan R&D; 1984-1988
something
Japan R&D; 1988 - 1990
Sega R&DD1 | Sega R&DD2 | Sega R&DD3 | Sega R&DD4 | Sega R&DD5 | R&DD6 | Sega R&DD7 | Sega R&DD8

Specific teams in the above: Team Shinobi | Debutta Boys? (Galaxy Force II [1])

Japan AM; 1990 - 2000-ish
"Arcade" R&D "Consumer" R&D
Sega AM1 | Sega AM2 | Sega AM3 | Sega AM4 | Sega AM5

AM Annex (1996-1998) | Sega AM8 (1998-2000)
an unknown division referring to themselves as "R&D Staff" developed Twin Squash

| Sega AM9 | Sega AM10? | Sega AM11

Sega AM6 (Team Andromeda | Team Aquila | G9 Team)
CS R&D #2 (1996-1999) | Sega AM7 (1999-2000)
Sonic Team | CS Team

CS Hardware R&D Dept.

Japan AM; 2000-ish - 2004-ish
WOW Entertainment | Sega AM2 | Hitmaker | Amusement Vision | Sega Rosso | Smilebit | Overworks | Sonic Team | United Game Artists | Sega Mechatronics
Japan; 2004 onwards(?)
Sega WOW | Sega AM2 | Sonic Team | Sega Sports Design | Ryu ga Gotoku Studio | AM Ishoku Team

First CS R&D | Second CS R&D | Third CS R&D

Japan non-AM, demerged, and defunct
Puyo Puyo Sega | Sega Networks | ???

Demerged: Sonic! Software Planning | Nextech | SIMS | ???
Defunct: Esco Boueki | Megasoft | ???
Miscellaneous: Sega Toys? considered a separate company from the main Sega | CRI? did they develop anything between them being bought by Sega and being merged into AM2?

North America
Three Rings Design | ???

Defunct: Gremlin Industries/Sega Electronics | Sega Technical Institute | Sega Midwest Studio | Sega Interactive | SegaSoft | Sonic Team USA/Sega Studios USA | ???

Europe
The Creative Assembly | Sports Interactive | Hardlight | Relic Entertainment

Defunct: No Cliché | Sega Racing Studio

Asia
Sega of China
Unknown Location
Sega Away Team

Rough idea of what's going on - fix it plz