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Sonic the Hedgehog 3 & Knuckles (or simply Sonic 3 & Knuckles or Sonic 3 Complete Edition) is a platform video game which is the result of locking-on Sonic & Knuckles with Sonic the Hedgehog 3 using the former catridge's unique "lock-on" technology. It is essentially a large combined game of its two lock-on components and contains all Zones from the said games and also contains special features unique to this game. This would have been the original Sonic the Hedgehog 3 the developers intended but time constraints by Sega resulted in the game being split into two.
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KeyRadar verdict
Signals look good. This is a solid moment to pick it up.
Confidence
50%
Updated 34d ago • We refresh this every hour from live price, player and review data.
Most PC keys listed here activate on Steam. Before buying, check each store's supported region and platform — region-locked or non-Steam keys are flagged where known. KeyRadar shows verified and official stores by default; marketplace sellers carry more risk around region and key source.
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KeyRadar's verdict is Buy now — the current deal is strong relative to its price history.
KeyRadar links to verified and official PC stores by default and flags riskier marketplace sellers separately. Always check a store's region and DRM — most keys here activate on Steam — before you buy.
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