Sonic the Hedgehog is a platforming action video game. Developed by Sonic Team in 1991, the blue blur himself would become one of gaming's universal icons, and became the first series to stand as a serious rival to Nintendo's Mario series, flaming the legendary console wars.

A classic 2-D side-scrolling platformer, you control Sonic, a blue-colored hedgehog that runs pretty darn fast across the stages (zones as they are called in the game). Scattered throughout the zones are golden rings that Sonic can collect, which allows him to not only take damage, but allow access to special stages. If completed, the special stage will grant Sonic one of six Chaos Emeralds.

Dr. Ivo Robotnik, an evil genius, realizes the power of the Chaos Emeralds, and wants them for himself. As such, Robotnik traps the innocent woodland creatures of South Island. In response, Sonic attempts to free the creatures and collect the emeralds for himself in order to stop Robotnik's plans.

This is a hack of Sonic the Hedgehog for Sega Genesis. It adds some features to improve the game without altering the original levels. Features include:

*Multiple characters.
*New zone title/results font based on Sonic 3 title/results font.
*Some art from Sonic 3, such as the Sonic and Tails sprites, monitors etc.
*Spike damage behavior changed to that of Sonic 2.
*Timer ends after defeating a boss instead of after opening egg prison.
*The ability to carry leftover rings into the next act.
*Rebound after running into a wall at high speed.
*New and remixed music.

The patch is in xdelta format due to shifted data resulting in IPS patches containing original code. The ROM should be in BIN format.

A unstable version 2 was leaked and the author has since allowed it to be shared openly. It can be found here.

Sonic The Hedgehog (USA_ Europe).md - NOINTRO
CRC32: F9394E97
MD5: 1BC674BE034E43C96B86487AC69D9293
SHA-1: 6DDB7DE1E17E7F6CDB88927BD906352030DAA194
SHA-256: 46160BAA06362C711C9F1A5017CB7371026444936C8AF5E93A78996CF32FF2A6

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