Sonic 6 – Unlicensed 1998 Speedy Gonzales Reskin Bootleg | Game Boy

The result is Sonic 6, an unlicensed pirate release credited to "Sonic World" that swaps every sprite and reference to Speedy Gonzales out in favour of Sonic the Hedgehog, producing a bootleg platformer that is simultaneously brazen, charming, and surprisingly playable. The hack goes beyond a simple sprite swap — the level order is changed too, opening with "Forest Zone" rather than the original Custom cartridge, plug and play. Compatible: GB, GBC, GBA, GBA SP.