Sonic The Hedgehog

Enable the "Level select" code. Select the "Bonus level" option on the level selection screen. Obtain the Chaos Emerald, reset the game, and repeat the process until all of them are in your possession. Allow the game to continue after obtaining the last Chaos Emerald to start in the Green Hill Zone.

Note: When you collect all of the Emeralds, you will not become Super Sonic, but you will be practically invincible. Try the following. When you have no rings, get attacked by something. Sonic will fall back (as if he had a shield on him), but he will not die. However, Sonic will die if he falls off of the edge of something, sinks underwater, etc.

Complete Green Hill Zone 1-1 or 1-2 in 29 seconds or less to receive 50,000 bonus points.

At title screen type in :up,A,,down, A,left, A ,right ,A then A,start. This is a special level select,, it also allows you to hear the sounds and music.

At title screen type in :up,A,,down, A,left, A ,right ,A then A,start. This is a special level select,, it also allows you to hear the sounds and music.

For extra points, pass any zone in a certain amount of time. For the best bonus, enter the Debug
Mode code. The clock will freeze and you'll always score a 50,000 bonus!