You can be on the good side or the evil side! BUT You must stay on that side! 1): You must return a gem to the Protecter! (Good) 2): Places you can go to!: Fields, Skys, Underground, Space, Volcano, Forest and the last gem must be at the Evil side's Base! 3) Music must match the following locations's Design! 4)Use the Gems to power yourself! (Evil) 5) DO NOT Chance the rules!
If you defeat Sonic.Fear, You will get the blue Power Gem/Chaos Emerald. (however you want to say it.) You need to hit Sonic.Fear 4 more times to beat him.