Press Start to return to the title screen.In the sound test, play sounds 19, 65, 09, 17 (Septembeing Yuji Naka's birthday).Like the first game, Sonic 2 has a well-known level select: A large number of interesting things were cut from the final version, such as the mysterious and ever-famous level, the Hidden Palace Zone. Sonic the Hedgehog 2 is the sequel to the first game, which introduces a playable Miles 'Tails' Prower (unlike Sonic the Hedgehog 2 8-bit), the iconic Spin Dash, the idea of robot versions of Sonic, and an actual reward for collecting all six seven Chaos Emeralds, the golden-quilled Super Sonic.