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Youkai Douchuuki/Hidden content

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TODO: Hidden graphics (NSFW).

Password screen

YoukaiDouchuuki PCE Password.png

On the title screen, press HOLD ++ SELECT  RUN  to access a password entry screen. From here, the following passwords can be entered:

Start from level 5

YoukaiDouchuuki PCE Password S620822.png

Enter "S.62.08.22" as a password. Perform a software reset (HOLD  RUN  SELECT ) for the changes to take effect.

Four screen mode + faster speed

YoukaiDouchuuki PCE Password SPEED-UP.png

YoukaiDouchuuki PCE FourScreen.png

Enter "SPEED-UP" as a password. Perform a software reset (HOLD  RUN  SELECT ) for the changes to take effect.

Hidden messages

Fifteen hidden messages can be accessed using these passwords:

YoukaiDouchuuki PCE Password PC-ENGINE.png

PC-ENGINE

YoukaiDouchuuki PCE Password NAMCO.png

NAMCO

YoukaiDouchuuki PCE Password NAMCOT.png

NAMCOT

YoukaiDouchuuki PCE Password 6502.png

6502

YoukaiDouchuuki PCE Password 6809.png

6809

YoukaiDouchuuki PCE Password 68000.png

68000

YoukaiDouchuuki PCE Password 756-2311.png

756-2311

YoukaiDouchuuki PCE Password YAMASHITA.png

YAMASHITA

YoukaiDouchuuki PCE Password AKIRA.png

AKIRA

YoukaiDouchuuki PCE Password KOMAI.png

KOMAI

YoukaiDouchuuki PCE Password KAZUHIKO.png

KAZUHIKO

YoukaiDouchuuki PCE Password KAWADA.png

KAWADA

YoukaiDouchuuki PCE Password HAL.png

HAL

YoukaiDouchuuki PCE Password NAUSICAA.png

NAUSICAA

This password references the Studio Ghibli film Nausicaä of the Valley of the Wind.

YoukaiDouchuuki PCE Password LAPUTA.png

LAPUTA

This password references Laputa: Castle in the Sky, another Studio Ghibli film.

YoukaiDouchuuki PCE Password MONITOR.png

MONITOR[1]

YoukaiDouchuuki PCE Password MICHIYO.png

MICHIYO[1]

YoukaiDouchuuki PCE Password YAGI.png

YAGI[1]

YoukaiDouchuuki PCE Password YUKIHIKO.png

YUKIHIKO[1]

YoukaiDouchuuki PCE Password NAGAMATSU.png

NAGAMATSU[1]

YoukaiDouchuuki PCE Password UDADAGAWA.png

UDADAGAWA[2] Two more passwords, KUMI.HANAOKA and HARUHISA.UDAGAWA, serve to delete whatever message is displayed from any of the passwords above[3].

Hidden text

Located at the beginning of the ROM:

Copyright 1987  
NAMCO LTD.  All 
Rigths Reserved 
Programmed By...
Haruhisa.Udagawa
 &  Kumi.Hanaoka
1987 8/1 - 11/15

References

  1. 1.0 1.1 1.2 1.3 1.4 @yamada_arthur on Twitter (Wayback Machine: 2022-04-06 16:01)
  2. @yamada_arthur on Twitter
  3. @yamada_arthur on Twitter (Wayback Machine: 2022-04-06 16:18)


Youkai Douchuuki

YokaiDouchuki title.png

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