Sonic The Hedgehog 3D (PC): Part 1 (Green Island)

Sonic the Hedgehog 3D is a free fan game about a famous SEGA mascot, Sonic, and it is made on Build Engine with additional EDuke32 port. The game was inspired by two classic Sonic series: Mega Drive/Genesis and Sonic Adventure series. The game's development began a couple years ago, and first it was fully developed by Zykov Eddy, but later a small team was created to help the main developer.
Sonic The Hedgehog (c) Sega
Sonic The Hedgehog 3D (c) EZeddy