Collecting Chaos Emeralds
Get 50 Rings in all 6 Zones in either Act 1 or Act 2 and a Special Stage will appear. To get the Emerald in Game Land, you must win the race against the CPU with 50 rings.
Seventh Chaos Emerald
Have you ever wanted the 7th chaos emerald? Well its at the map you will see the sonic head you just play a cuple of times and alakazam! You will be in a special stage, win it and you got yourself a seventh chaos emerald.
How To Defeat The Nega Wisp
First you hold down y and chage at a rock then it will go after its arm once you hit both arms you will automatically start charging at him be careful he will try to hit you with a lazzer repeat the satus again and again intill he dies.