Heres how to defeat Eggman in all stages (Accept the moon zone.)Note: this is all with Knuckles. Neo green hill: Just jump on the top of the thing. Secret Millitary base: Glide torward it and at the end, just punch.Casino Paradise:Duck at the bottom on one corner wait and then jump! Ice Mountain:Jump on the icesicles as soon as they appear, then jump out of the water and then glide! Angel island: Just jump on metal Knuckles, then when he turns blue jump away from the missles, and glide.(See how Knucles is shocked at first, its funny!!! Cosmic angel zone:On the orbs jump on the bouncy ones in the middle close to the fat Dr. Eggman, then jump!(Watch out for thos stupid bll thingies. X-zone:Boss1: Jump onto the things, then glide trough him,(Cool Music! Boss2: Jump on him, then at the end, punch! Final boss:For the ball shooter,be careful! he shoots at differant angels! The ray: avoid by jumping on Eggman when the ray is fired. The claw:Its tricky,jump when its aiming(be careful!)Or after its fired. keep it up! Ending:Knucles saved by Sonic,gives him a thumbs up, with his arnes crossed looks up. At end he jumps in 3d does a cool gliding pose up close! hope you liked my hints!!!