Green Hill Zone appears an unlockable content once the game is beat. Thumb|300px|left|Green Hill Zone: Original version Once defeated, Sonic can release the animals from the capsule. He swings a checkered ball back and forth on a chain, and Sonic must dodge his attacks, get on a platform, and hit him from above.
This level also contains a glitch where the first rock with a spring, if Sonic pushes on the right side and jumps, he does the walking animation instead of the jumping animation.Īct 3 starts off much like the other stages, but at the end of the act is the Dr. The obstacles and difficulty level increase slightly as the player gets accustomed to the controls. There are very few places where he can die, and enemies are not plentiful. The stage is pretty much catered to helping the player learn how to control Sonic.
