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Marble Madness (Tengen, Genesis)

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Title Screen

Marble Madness

Developers: Tengen
Publisher: Tengen
Platform: Genesis
Released in JP: August 13, 1993

CopyrightIcon.png This game has hidden developer credits.
DevTextIcon.png This game has hidden development-related text.

PrereleaseIcon.png This game has a prerelease article

Marble Madness is a port of the classic marble rolling arcade game. This version, published by Tengen, was released exclusively in Japan. Electronic Arts had already published their own version in the US and Europe the previous year. The Tengen port is considered far more accurate (and less lenient) than the EA release, though it is quite a rarity.


Read about prerelease information and/or media for this game.
Prerelease Info

Hidden Text

This string is located at 0x2BB, right after the ROM header and standard Tengen copyright text:


This build date is located at 0x22327:

VER 5-14-93  13:09 by Jun Amanai

Zoom/Rotate Test

Elementary, my dear Cactus.
This needs some investigation.
Discuss ideas and findings on the talk page.
Specifically: Is this still accessible?

Text for a "Zoom/Rotate Test" screen is located at 0x3B85. This may be related to the squash/stretch effect seen with the logos on the title screen.

ZOOM X = 00.00   DEGREE = 
ZOOM Y = 00.00   DOGCNT = 
HPOS = 0000   H SIZE = 0000
VPOS = 0000   V SIZE = 0000