Sega’s Unreleased Arcade Puzzler ‘SegaSonic Bros’ Discovered

SegaSonic-Bros-PrototypeBelieve it or not but Sega had originally hoped to throw their bright blue mascot into yet another realm. Calling upon the creator of Puzzle Bobble, Fukio Mitsuji, the Japanese gaming giant began work on SegaSonic Bros. Although failing to see release, a working prototype of the game has recently been discovered.

Developed for the Sega System 32 arcade hardware, SegaSonic Bros was originally due for release in 1992. Not to be confused with the isometric panic-em-up SegaSonic which was released in the arcades, SegaSonic Bros sadly failed a location test in Japan and remained unreleased.

What makes this game so remarkable is that unlike other prototype and beta games, no screenshots or reviews ever made their way to the press. For nearly twenty five years the game has remained a close guarded secret of Sega’s until now. The Japanese arcade collector ShouTime (who is known for his efforts in finding long lost arcade boards) recently revealed never before seen screenshot of the game’s title screen, thus confirming its existence. Now in the collector’s hands, further shots of the game in action have since been shared - with the majority of the Sonic community gobsmacked by the discovery.

While it is yet to be known if ShouTime plans on sharing the game’s arcade ROM files with the public, it is worth noting his generous nature having given retro gamers access to the long lost Atlus shooter Wing Force. Until more is known, be sure to take a closer look at ShouTime’s blog where more and more is being revealed each day.

Link: SegaSonic Bros Prototype at ShouTime

Last Updated ( 08 February 2016 )  


Better known as Adam offline, Cauterize is one of RetroCollect's final bosses with an unhealthy addiction to pixels. When he's not out searching the web for the latest retro gaming news or creating content for RetroCollect, he'll will most likely be found working on his Sensible Soccer skills.

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