Sonic Nexus Fan game by Sonic Mania's creator "Taxman / Christian"

download: http://info.sonicretro.org/Sonic_Nexus This is one of the original demos of the "retro engine" that Sonic Mania will be using as well as the mobile and latest console ports of sonic 2 , 3 and sonic cd. the guy wrote the engine from scratch and coded the physics perfectly to mimic the 16 bit sonic games. Sega hired him to create Sonic mania. I have been replaying classic sonic games recently even before the announcement but if you have the sonic game bug there are alot of fan games out there that are decent. :)