The PC version of Sonic racing will get new characters from Valve’s Team Fortress 2. The game will be available for download on January 29th for $29.99.

From the press release:

    SEGA® of America Inc. and SEGA® Europe are excited to confirm Sonic & All-Stars Racing Transformed™ will indeed feature characters from acclaimed developer Valve allowing players to race for first place as the Pyro, Heavy and Spy from Team Fortress 2. Available for PC digital download on January 31, 2013 Sonic & All-Stars Racing Transformed™ will also feature two other new and exclusive characters all of whom are available to play as from the start of the game.

    Joining Team Fortress in the PC version of the game is the legendary Shogun of the Total War™ series from Creative Assembly™ and the enigmatic Manager Man from Sports Interactive™’s successful Football Manager™ series.

    Sonic & All-Stars Racing Transformed™ for PC digital download will be available at $29.99USD/£19.99/€24.99.