SEGA announced that the HD remakes of both NiGHTS into dreams…™ and Sonic Adventure 2™ will be coming to digital download platforms this October. On the PlayStation®Network, NiGHTS and Sonic Adventure 2 will be available on October 2 for $9.99  and available on October 5 for 800 Microsoft Points on Xbox 360® LIVE Arcade for the Xbox 360 video game and entertainment system from Microsoft. Sonic Fans will also be able ...