| Fast Facts on Blue Sphere Standalone ROM
Last Release: May 10, 2011
System: Sega Genesis/Mega Drive
Original Game: Sonic & Knuckles
Blue Sphere Standalone ROM is a Sonic & Knuckles hack created by MainMemory. It is a standalone ROM which contains Blue Sphere, the game that is unlocked when Sonic & Knuckles and Sonic the Hedgehog are Locked-On. It has been extended with new features in Blue Sphere Plus.
- On real hardware, sound effects cause the music to glitch.