Our Sonic Adventure 2 HD +4 trainer is now available and supports STEAM. These Sonic Adventure 2 HD cheats are designed to enhance your experience with the game.
Having trouble getting our trainer to work? These steps resolve 99% of all trainer issues.
• Temporarily disable/uninstall all antivirus, firewall and other security software.
• Right click and choose "Run as Administrator" on trainer and game.
• Make sure trainer version matches game version and distribution.