Sonic the Hedgehog has been that the variant gameplay styles found in recent 3D games have strayed from the formula of the original series. Specifically, the series' jump to 3D has been noted as a declining point. In late 2010, Sega delisted several below-average "Sonic" games, such as the notoriously disliked 2006 game "Sonic the Hedgehog", to increase the value of the "Sonic" brand after positive reviews for the games "" and "Sonic Colors". Sonic the Hedgehog Sonic the Hedgehog is a video game franchise produced by Sega centering on a series of high-speed platform games. Sonic, the protagonist, is an anthropomorphic blue
Sonic the Hedgehog collect one of the Chaos Emeralds. In "Sonic the Hedgehog 3", if all Emeralds have already been found, touching them rewards the player fifty rings. In most games since "Sonic Adventure 2", these giant rings serve as the end level marker, which ends the level upon touching it. Checkpoints are items placed throughout the stages in "Sonic" games which serve mainly as progress markers. If the player runs through one, their progress through a level is "saved". If the player then loses a life on the same stage, they will start over at the last checkpoint passed. Checkpoints also serve