Download the Lunar IPS Patcher. Follow the instructions on https://fantasyanime.com/patching under How To Patch with Lunar IPS. You will need your own Sonic 3D Blast ...

SDL2 (Linux/OS X only) SDL2-Mixer (Linux/OS X only) libupnp (Linux/OS X only) libgme (Linux/OS X only) Warning: 64-bit builds are not netgame compatible with 32-bit builds. Use at your own risk. Sonic ...