Sonic the Hedgehog CD OSV (Vertiphon 2018 Remaster) by Spencer Nilsen Tracks Collision Chaos - Bad Future Metallic Madness - Bad Future Metallic Madness - Present Palmtree Panic - Good Future Quartz Quadrant - Good Future Robotnik Wacky Workbench - Good Future Wacky Workbench - Present Warp