This is Knuckles Engine from Sonic CD. Yea, i just replaced the sprites and added bonus stuff. Version 1.0 Knuckles is playable, game is released. Some bug fixes? Version 1.1 New Giant Level Layout! Version 1.2 New Music '' Quartz Quadrant '' Added Signpost saying like '' Good Job '' Overall Bug Fixes, Fixed layout. Version 1.3 Some level layout tweakes, and a Spring at the beggining of the level Version 1.4 Added Act 2 that can't be finished, Act 1 can be now completed. New Music for Act 2, added new Title Screen.
Credits to Chavis10 for Sonic 3 Knuckles Sprites, my favorite knuckles sprites. Credits to hahasamian for the game of course! Credits to Sega for Music and The game i guess? Controls Z to Jump. Enjoy!!