Mecha Sonic screenshots, images and pictures - Giant Bomb

An earlier prototype Robot of Sonic created by Dr. Robotnik that first appeared in Sonic the Hedgehog 2.

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Metal Sonic/Gallery - Sonic News Network, the Sonic Wiki

Sonic Forces screenshots, images and pictures - Giant Bomb

Mecha Sonic screenshots, images and pictures - Giant Bomb

Death Battle - Mecha Sonic Vs. King Bomb-Omb by MechaSonicSuperFan

Mecha Sonic (Sonic the Hedgehog Pocket Adventure)

Rising Thunder: A PC-only fighting game from experts in the genre

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