Sonic the Hedgehog 3D is a free fan game about a famous SEGA mascot, Sonic, and it is made on Build Engine with additional EDuke 32 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.

Sonic the Hedgehog 3D Features:

Full 3D environment, with 3D models and hi-res textures

Four playable characters, each with different abilities;

8 levels inspired by classic Sonic games;

Unlockables and special stages;

Hidden secrets and Easter eggs;

Extensive configuration, including joystick support;