Game Over and Continue (Metal Sonic Rebooted) by LoraTWolf46 on DeviantArt

Metal Sonic's Fall by Strixic on DeviantArt

Sonic the Hedgehog Z #14 Pg. 24 June 2016 by CCI545 on DeviantArt

sage asking for help to his older brother by EX-star on DeviantArt

SNMinions Of Ivo by RoseDuelistBBSHM on DeviantArt

Game Over and Continue (Metal Sonic Rebooted) by LoraTWolf46 on DeviantArt

Reboot!Metal Sonic by TheMetonicLover on DeviantArt

The Ultimate Overlord by Metal-Overlord on DeviantArt

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Meanwhile in an alternative universe (credit to SonicLoud1213 on DeviantArt) : r/crashbandicoot

Super Mario Stages - AK1 MUGEN Community

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Metal Sonic vs Zero alternate ending by BLA5T3R on DeviantArt