We've managed to restore 99% of our file loss earlier in the year, but it's now THE FINAL COUNTDOWN. Visit the wiki file request topic to help make Sonic Retro better than ever.

From Sonic Retro

Unknown Enemy 2 is an enemy from Sonic Spinball, found in The Showdown. It's a wasp enemy that hovers in place.

Sonic Spinball (16-bit)
Sonic Spinball Main Article Enemies Bosses Bugs Cheat Codes Game Development Game Secrets Magazine Articles SCHG	Enemies and Obstacles: Buster Cluckbird Ferron Krondor Magma Worm Rexxon Unknown TM Enemy