Sonic the hedgehog

Sonic is a hedgehog as you may know he runs up walls collecting rings as he goes which will later lead him to the next level. Its a simple handheld game using the arrow keys and the x key.It uses bells and ringing to get the player to acknowledge he/she is collecting and gaining points as they go along.The first game released in 1991 published by sega for the mega drive/genesis system. in the game, Sonic has to prevent Dr robotnik from collecting the six Chaos emeralds in an attempt to rule South Island.