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Clash at Demonhead

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Title Screen

Clash at Demonhead

Also known as: Dengeki: Big Bang! (JP)
Developer: Vic Tokai
Publisher: Vic Tokai
Platform: NES
Released in JP: January 27, 1989
Released in US: January 1990

DebugIcon.png This game has debugging material.
RegionIcon.png This game has regional differences.

ProtoIcon.png This game has a prototype article

To do:
More regional differences (ex. graphical changes and text changes).

A well respected cult-classic, Clash at Demonhead is an extended platformer more commonly known as a "metroidvania" these days.


Read about prototype versions of this game that have been released or dumped.
Prototype Info

Test Password


The following password maxes out everything that can be maxed out in the Japanese version. Items, health, money, absolutely everything! Likely used by the programmers to test things out. In Japanese it would be written ("Tensai wa wasureta kotowo omoidasu yo"「天才は忘れたことを思い出すよ」) and means "(I) remember the things the genius forgot".

The US version has all passwords be two characters shorter, and since this secret password is the same here, it only lacks the last two symbols ("TENSA IWAWA SURET AKOTO WOOMO IDASU"), but can be used as well.

(Source: CaH4e3)

Regional Differences

Title Screen

The title screen got a complete redesign.

Japan US
ClashAtDemonheadJP Title.png Clash at demonhead-title.png

Staff Roll

To do:
Is the data still in the US version or not?

Dengeki Big Bang! - FC - Staff Roll.png

The Japanese version contains a staff roll of the game designers. It was cut from the North American version, possibly because it was mostly in Japanese.

Below is a translation:
Game Design: Outsider HAL
Graphics: Outsider HAL, Gastank YAMAGUCHI, Rindarinda KINOSHITA
Programming: Zushuudanji HISAMATSU, Kakkochan XJ WATANABE, Surugahime NARUCHAN, Kazeshitemasu SANOYAN
Sound: Ojisan HASUYA

Outsider Hal is Haruhiko Kawamura, Rindarinda Kinoshita is Kazuaki Kinoshita, Zushuudanji Hisamatsu is Norihiro Hisamatsu, Sugurahime Naruchan is Tomiko Narusawa, Kazeshitemasu Sanoyan is Mayumi Sano, and Ojisan Hasuya is Michiharu Hasuya. Most of the staff also worked on Golgo 13: Top Secret Episode and Kid Kool.

(Source: VGMPF [1])

ROM Header

The internal ROM header in the Japanese version, Dengeki Big Bang!, identifies the game as "BIG VAN". The US version has the name as "DEMON HEAD", and also includes the original Japanese version header at the end of the second-to-last bank.

(Source: Original TCRF research)