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Sonic 4 is now backwards compatible on Xbox One

Along with Capcom Arcade Cabinet, Pac-Man Museum, and Bionic Commando Rearmed 2.

Xbox One has added eight new Xbox 360 titles to its backwards compatible library.

These include Sonic the Hedgehog 4 Episodes 1 & 2, Capcom Arcade Cabinet, Pac-Man Museum, Bionic Commando Rearmed 2, NeoGeo Battle Coliseum, Crystal Defenders and Fret Nice.

Sonic's appearance is especially telling as the blue hedgehog celebrates his 25th birthday this year and Sega is throwing a party at San Diego Comic-Con tomorrow to celebrate. Perhaps Sonic Team will finally announce its mysterious next game due in 2017.

Sonic the Hedgehog 4 Episode 2