Without further ado, Here's ModernSonic! The keys set for these controls are saved in config.cfg. It may not display this or other websites correctly. Modern Sonic Boost Moveset is a mod originally made by LJSTAR that adds a boost bar and boosting capabilities into the game over Hortinus' and MotorRoach's Modern Sonic mod. Gameplay-wise, there is no difference between these ports and the Windows version of SRB2.