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Sega Saturn

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Title Screen

Sega Saturn

Developer: Sega
Publishers: Sega (JP/EU/US/AU), Tec Toy (BR), Samsung (KR)
Released in JP: November 22, 1994
Released in US: May 11, 1995
Released in EU: July 8, 1995
Released in AU: July 8, 1995
Released in KR: October 20, 1995
Released in BR: September 1, 1995

DevTextIcon.png This game has hidden development-related text.
RegionIcon.png This game has regional differences.
Carts.png This game has revisional differences.

The Sega Saturn was Sega's next console after the Genesis Sega CD 32X Frankensteinian addon-riddled nightmare that came before it. It was notable for using quads instead of triangles, setting it apart from almost every other 3D system...and making it more than a bit difficult to develop for (especially multiplatform games).

Its main competitor was the PlayStation, and the fact there are now four of those and only one two of these should tell you who won that particular battle.

To do:
Rather unfinished. There seems to be more differences between the two versions. Not to mention the differences only cover the Japanese and US/EU versions of the BIOS. There are so many more versions out there.

Build Dates

Present at hex address 0x800 in the BIOS. This is shown in the Test Menu cart as "BOOT ROM ver."

Version Code
JP (v1.00)
JP (v1.003)
US/EU (v1.00 and v1.01)
JP (v1.01)
Hi-Saturn (v1.01)
Hi-Saturn (v1.02)
GameNavi Hi-Saturn (v1.03)

Version Differences

Boot Screen

Japan US/Europe
Saturn-JP-title.png Saturn-title.png

Besides the logo and copyright changes, the version number is not listed and the background is darker.


Intro Jingle
Japan US/Europe
Empty Drive
Japan US/Europe

The jingles for the BIOS intro and having no CD in the drive are different.

Surround Adjust Menu

Japan v1.00 Japan v1.01 US/Europe
Saturn-JP100-SurroundAdjust.png Saturn-JP101-SurroundAdjust.png Saturn-USEU-SurroundAdjust.png

Version 1.01 of the Japanese BIOS added "ADJUST" to the Surround Adjust menu. It was completely overhauled and made more straightforward in the US and European versions.