Jelly Boy

From Sega Retro

JellyBoy title.png
Jelly Boy
Publisher: Ocean Software
Developer: Electronic Arts, Probe Software
Planned release date: 1995-04Media:NewReleasesCatalogueApril-May1995AU.pdf[1]
System(s): Sega Mega Drive
Genre: Action
Number of players: 1
Status of prototype(s): Prototype dumped
ROM size: 1MB

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Jelly Boy is an unreleased Sega Mega Drive platform game. It was developed by Probe Software with the aim of being published by Ocean Software in February 1995. Electronic Arts are also credited.

Jelly Boy on the Mega Drive was almost complete when it was axed for unknown reasons. Development is presumed to have taken place around 1994/1995 - a Game Boy version saw a release in PAL territories in 1994, with a similar Super Nintendo version being released in early 1995. No versions of the game have ever been released outside of PAL regions.

It is entirely unrelated to another Super Nintendo game, Jelly Boy 2 which also wound up being cancelled - Jelly Boy 2 is actually a sequel to the Super Nintendo game Jerry Boy, known as Smart Ball outside of Japan.

It is unknown why Jelly Boy was cancelled. Review copies were sent to the gaming press and a fully playable prototype has since been dumped and released online.

Magazine articles

Sega Retro Average 
Publication Score Source
90 №161, p91[2]
72 №10, p15
71 №1995-04, p61[3]
90 №12, p72-75[4]
90 №28, p56-59[5]
45 №49, p29[6]
55 №21, p27[7]
65 №68, p58/59
74 №42, p30/31
Sega Mega Drive
Based on
9 reviews

Main article: Jelly Boy/Magazine articles.

Promotional material



Print advert in Mean Machines Sega (UK)

#33: "July 1995" (1995-05-27)

ROM dump status

System Hash Size Build Date Source Comments
Sega Mega Drive
SHA-1 75be8d5b305e669848b4a5a48cdcfa43b951dc20
1MB 1995-01 Download.svg (520 kB) i