Nine Bonus Stages (six Sonic 1 Special Stages as Bonus Stage) which can be accessed by touching a lamppost with 20 or more rings. The game has approximately 37 Levels, The number can be less, depending of the character chosen. The Game can run in an ATGames Firecore console equiped with SDCard, but save feature will only work if you run the game through 'Neto MD-DOS 1.10 or higher' in that console.
Since this hack uses banking switch scheme, with proper cartrige hardware you can run in all consoles without any conflict.
This hack as title said has 40 Megabits of capacity, and was coded following SEGA Standards for games larger than 32Mb which require banking switch scheme to access extra data ( Flat coding is more easy, but the game will not work on all hardwares, especially with systems equiped with SEGA CD ).
The games run over Sonic & Knuckles engine and use two custom sound drivers derived from S2B and SK sound drivers to manage all musics and effects. This hack is a junction of all classic MD Sonic (Sonic 1.
