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Knuckles the Echidna in Sonic the Hedgehog 2 (prototype 0608)

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Sonic and knuckles and sonic2 title.png

Fast Facts on Knuckles the Echidna in Sonic the Hedgehog 2 (prototype 0608)

Publisher: Sega
Developer: Sonic Team
System(s): Sega Mega Drive/Genesis

Knuckles in Sonic 2 prototype 0608 for the Sega Mega Drive/Genesis was released by drx during the February 23rd, 2008 proto release.

This prototype, along with every available build after the 0524 prototype, is a dump of the Sonic & Knuckles UPMEM chip. In order for this build to be playable, it must be attached to the beginning of a Sonic 2 ROM. Merging these two ROMs emulates the use of Lock-On Technology. The Knuckles in Sonic 2 0524 prototype is the only prototype released as a working stand-alone build.


Download Knuckles the Echidna in Sonic the Hedgehog 2 (prototype 0608)
Multiple downloads available

Original ROM (137KB) (info)

Various Differences

  • Level Select is not enabled by default. At the title screen, pressing Up, Up, Down, Down, Left, Right, Left, Right, and then A + Start will enable it. This code is very similar to the Konami Code.

External Links

Reticon.pngSonic Retro discussion thread

Knuckles in Sonic 2 Prototypes and Betas
0524 | 0606 | 0608 | 0610 | 0612 | 0618
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