Microsoft

Microsoft is a technology company that manufactures consoles such as the Xbox and the Xbox 360. It also produces the Windows OS and Windows Phone. Sega began publishing Sonic games on Microsoft consoles in 2003.

In 2013, the Xbox One was announced as the Xbox 360's successor. However, there was criticism for its strict guidelines it had before Microsoft scrapped them. That incldudes but not limited to: connectivity requirements, manadatory Kinect integration, and restrictions on resale and sharing used games, which they were dropped. The Xbox One was released on 22 November 2013, on North America, Brazil, and other countries with more coming on by 2014.

Xbox Live
For their home consoles, Microsoft provides an online service entitled "Xbox Live". Many Sonic games have been released on Xbox Live (Xbox 360 only).