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Super Boy I

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Super Boy I
Publisher Zemina
Developer Zemina
Console MSX, Sega SG-1000
Date 1989
Engine Super Boy Engine
Sound engine Zemina
Alternate names/hacks Super Boy II

Super Boy I is a pirated clone of Super Mario Bros., made by Zemina and released in 1989 for the MSX2 computer system and later on that year for the Sega SG-1000. The game is notable for its poor physics and randomized items.


Super Boy is a Super Mario Bros. clone. The gameplay is designed very similarly to the original game. The physics, however, are poorly programmed in comparison, and the items in the ? Blocks are completely random. Due to the older hardware, the scrolling is different to SMB. The scrolling moves in a very choppy fashion (Most, if not all older MSX games had scrolling like this). The fireballs travel differently as compared with the ones from SMB, and the Koopas also die in one hit which means that you can't kick their shells afterwards. Most of the time the area with the HUD can't be accessed, apart from the end of each level when you jump on the flag. Also notable is that this game has only four worlds, half that of SMB.

The time given for each level also reduces throughout the game, with the first two worlds having 280 seconds for each level, the third having 260 and the final world having 200. The ending omits Princess Peach and instead replaces her with the message "TO BE CONTINUED", indicating that a sequel would be made.

The graphics could be considered accurate given the limitations of the MSX, with most of the graphics ripped from SMB and downgraded somewhat, with the exception of the title screen which is redrawn and the Lakitu that has been replaced with a ghost. The music is interpreted from the original game, although the songs are off key in this game. Notably, the castle uses the Underground theme. The sound effects are crude when compared with the original game.

Super Boy IIEdit

Super Boy II is a changed version of the original game with different and "more difficult" levels. The levels are based on the Japanese version of Super Mario Bros. 2. The graphics and sounds are identical to the original game, with the exception of the title screen and the ending, where the "TO BE CONTINUED" message is replaced with "END".


  • The SG-1000 port is believed to be a Master System game due to the latter console being backwards-compatible with the SG-1000. As a result, there is some dispute whether it's a Master System or SG-1000 title.
  • The "Mario" in the HUD of Super Mario Bros. was replaced with "Score" to skirt copyright issues.
  • There are only 4 worlds in the game, probably due to the MSX2's limitations.
  • At the end of the first 3 castles, instead of saving a Toad and uttering the words "THANK YOU MARIO! BUT OUR PRINCESS IS IN ANOTHER CASTLE!", instead the room is empty and it says "SORRY NOTHING". However, In Super Boy II, the text is changed to "NEXT LEVEL GO!"
  • The boxart is ripped directly from the Japanese Super Mario Bros. 1 box.


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