Eggman's bases, most obviously Eggmanland from Sonic Unleashed. Many of the elements of the amusement theme appear in Dr.
Most of these stages may contain elements of the Urban theme. The two main versions of the amusement theme are Casino themed stages or Park themed stages. The theme is highly varied and levels may include balloons, theme park rides, pinball-style flippers or casino-style gambling games. Stages with an amusement theme typically have bright lights, bouncy obstacles (mostly springs and bumpers), and colorful backgrounds. A slot machine, a staple of the amusement theme, from Sonic the Hedgehog 2.
