Take a look on what could be the most time-consuming hack ever. Completely new levels to explore makes this hack innovative. Also new graphics have been added into this large hack.
A 3.0 with only 3 levels is available on Sonic Retro.
Sonic the Hedgehog 2 (W) [!].bin
CRC32: 7B905383
MD5: 9FEEB724052C39982D432A7851C98D3E
SHA-1: 8BCA5DCEF1AF3E00098666FD892DC1C2A76333F9