From Sonic Retro

snkenjoi is a Tech Member on the Sonic Retro forums. He's the 1s and 0s behind the multi-award winning hack, Sonic Boom, as well as the multi purpose art and mappings editor Flex 2.

Aside from this, snkenjoi has produced a plethora of different hacks.

Various other hacks produced by snkenjoi are available from this url.