How to Play: L/R Arrows: Move - Z (tap/hold): Jump (low/high) - Z then Up Arrow:Fly
D Arrow: Crouch - D Arrow then Z: Spin Dash

Tails Nightmare Game

Oddly enough, Tail's Nightmare stars Tails as the main character. He is having one of those really bad dreams and the only way out is if someone wakes him up (not happening) or he finds his way out by using all of his patented moves like Spin Dashing and Flying.

Mega Sonic Scene Maker

Mega Sonic Scene Maker

Choose from multiple backgrounds and tons of doodads including oversized Sonic, Tails, Knuckles, and Robots.
Uber Sonic Scene Creator

Uber Sonic Scene Creator

In this wicked cool Sonic Scene Creator, you get to build your own UBER Scene with all the Sonic features
Mario Bros in Sonic World

Mario Bros in Sonic World

Mario has been on many wacky adventures in his lifetime but this one may top them all
Sonic Quiz

Sonic Quiz

Sonic Quiz will test your knowledge of the coolest hedgehog ever. Can you answer all the questions? I doubt it.
Pana Der Hejhog

Pana Der Hejhog

Although it just has one level, this hack boasts spectacular boss battles, smooth sprites, and shifting weather.
Sonic Advance 2

Sonic Advance 2

Dr. Eggman is once more mischief-making. The plot picks up after saving Chao and the little bunny.