Super Mario 4 (not to be confused with the actual fourth Super Mario game) is a rather infamous bootleg hack of Crayon Shin-chan 4: Ora no Itazura Dai Henshin that alters a good amount of the graphics to Mario-related stuff, with the end result doing a better job of looking like a legit entry of the series it's aping from than most bootlegs.
Unfortunately, this comes at the expense of having any kind of story, the original's minigames, or Super Game Boy compatibility, on top of being much more frustrating thanks to the new level designs (lots of blind jumps and points where Mario has to take damage to progress) and a complete lack of continues or passwords.
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This needs some investigation.
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SGB Support Oddities#
When playing this bootleg game on a Super Game Boy, the custom border and palette from the original Crayon Shin-chan 4 game will be loaded. For unknown reasons, the screen refuses to update once getting past the title screen. The available ROMs of the game disabled all SGB support, meaning you can only play the game with monochrome color.
A Japanese webpage stated the Crayon Shin-chan border will appear when playing the game on a Super Game Boy. This statement might be derived from the behavior of a possible earlier version before the SGB support was completely disabled.
Password Screen#
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This needs some investigation. |
By loading a save state from Crayon Shin-chan 4, you will find the fully-functional password menu with all the passwords from said game working (even with music!), though with Shin-chan's graphics being garbled. Doing this also seems to load the SGB features of that game.
Second and Third Quests#
You can access the second and third quests with the password screen above. The game hangs after you lose a life, though.
Unused Stage 1 Intro#
On the above password screen, you can use the cheat menu password from the original game. An unused intro screen for Stage 1 can be seen by setting the first value to 7 in the cheat menu and pressing Start.
Alternate Ending#
The alternate ending from Crayon Shin-chan 4 can be seen by setting the third value to 2 on the aforementioned menu and pressing Start. Since the game prevents you from entering the password screen through normal means, you can't access the second or third quests, thus preventing this ending from being triggered.