A few days ago on the web have appeared two new videos of Sonic Mania, chapter 2D famous saga platform dedicated to the blue hedgehog. To make his return is the Chemical Plant Zone, already seen in Sonic 2, here presented in a completely revised version. You can see it with your own eyes just below, in movies that you find below.

Note however that that Sonic Mania, the long-awaited two-dimensional title starring the iconichedgehog SEGA, will be available starting August 15. Than they expect?

Source: Gematsu