Details of Achievements for the Xbox Live Arcade version for Sonic The Hedgehog 3 have been released today along with a number of other classic Sega games. All of the games have been found most recently found on the Sega Mega Drive Ultimate Collection but will be available individually should you not want to pick up a collection with 50+ mostly great other games.
The Achievements for Sonic 3 are as follows:
There’s no news on a price or release date yet or even if some technical trickery will allow for an assumed release of Sonic & Knuckles to connect with this game and create Sonic 3 & Knuckles, a feature lacking in the Ultimate Collection.
Other games coming soon to XBLA are Altered Beast, Comix Zone, Phantasy Star II and Shinobi, the achievements for which you can find on the links provided.