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Yume Penguin Monogatari

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Title Screen

Yume Penguin Monogatari

Developer: Konami
Publisher: Konami
Platform: NES
Released in JP: January 25, 1991

GraphicsIcon.png This game has unused graphics.
TextIcon.png This game has unused text.
PiracyIcon.png This game has anti-piracy features.

Your girlfriend dumps you because you're too fat, so you try to win her back by slimming down. All while your rival and his henchmen throw food at you.


As with most of the games Konami has published after 1990, this game features a form of copy-protection. When booting the game, it performs a self-test, checking for the presence and integrity of a CHR bank with copyright tiles; part of the copyright-message screen contains the string "© KONAMI 1991", and the copy-protection routines check for that string. If the tests fail, the game switches to "pirate" mode.

In a normal game, Penta gains weight after he eats food (voluntarily or otherwise.) If his weight is too high when he reaches the telephone at the end of the stage, then he has to start the stage again. In "pirate" mode, a single piece of food makes him grow obese - which makes clearing the stage under the weight limit much harder.

Unused Text

The game script makes a reference to a race between Penta and Genji, the main antagonist. While there are stages where you fly a plane, you never race against anything other than the stage timer. This text is located at address 0061FA in the ROM.

Japanese English translation
たすけて ぎんじに
Pe... Penta!
Save me! I've been
abducted by Ginji...
こおりの むこうで
Ginji's waiting for
you on the other side
of the ice!
ぺんたの かて!
The winner is....
ぎんじの かて!
The winner is....
ぺんた 「やった―!」
ぎんじ 「うえっぷ・・・」
Penta: "Yes! I did it!"
Ginji: "Hmph..."
(Source: Original script translation by Tetsuo, Shih Tzu and the users of MO's board)

Unused Graphics

YPM-Early Penko Sprites.png

Penko has early graphics for walking and rejecting Penta, presumably meant for the title screen in early development.

YPM-Unused Penta Sprites.png

Penta has graphics for what could be burping(?), looking down, an early kick(?), a downwards facing hurt sprite, looking at the camera (found near the HUD, possibly for a life system), and flailing his arms around (possibly for getting hurt in the final boss.)

YPM-Unused Plane and wing.png

Graphics for a tiny plane (presumably Penta's,) and a wing(?) can be found near the map graphics.

YPM-Unused Ginji Map Icon.png

The only thing in the ROM that's related to Ginji that's unused is this map sprite, found next to Penta's.

YPM-Early TM.png

An early TM for the logo.