Sonic The Hedgehog 3D (PC): Bonus Level (In Flames)

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

[@ianhathaway1150]

So that's how you get the other two emeralds......

[@DawnHibiki]

670 616 629 MPH Yes.

[@Versitax]

Dawn111 how do you get the bonus level