It also hosts various jewels and ruins, and it is said to be where the six mysterious Chaos Emeralds lay dormant. South Island is a tropical paradise blessed with lots of vegetation and is where Sonic the Hedgehog lives with his Animal friends. The title screen of the Sega Master System version of Sonic the Hedgehog. Like later Game Gear and Master System games, this game has been re-released on numerous compilation titles and as an unlockable mini-game, including re-releases in the discontinued Virtual Console service for the Wii and Nintendo 3DS. Koshiro rearranged many of Masato Nakamura's iconic music tracks from the game's 16-bit counterpart while also composing original content for this 8-bit version. The game is noticeable for featuring Sega's freelance composer Yuzo Koshiro, who is recognized as one of the finest game music and chiptune composers of the 1980's and 1990's. The game features several new gameplay elements which would become implemented in later 8-bit handheld titles.

It serves as an 8-bit version of the original Sonic the Hedgehog that had been released on the Sega Mega Drive earlier that year, with a similar setting and other elements in common. Sonic the Hedgehog ( ソニック・ザ・ヘッジホッグ, Sonikku za Hejjihoggu ?) is a 2D platforming video game in the Sonic the Hedgehog series developed by Ancient in collaboration with a few Sonic Team members, and released in late 1991 for the Sega Master System and Sega Game Gear consoles.

Sonic 1 master system sprite sheet