Sonic 3&K
Sonic 2
Sonic CD
Sonic 1
Sonic Generations
Sonic Colors
Sonic 4 Episode 1
I have not played episode 2, and given by how bad episode 1 is (and the fact that I sold my wii) i probably never will
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Chrono1219
The beautiful genius who graduated from Harvard as a child and has an IQ of 1.3^googolplex.