
It is a hack which changes the layout of levels and special levels.

Chao Walker in Sonic 1 by Oppolo (S1 Hack).Amy Rose in Sonic 1 Created by AlanOC91 Amy Rose in Sonic the Hedgehog (aka Amy in Sonic 1) is a character swap hack of the game Sonic the Hedgehog for the Sega Mega Drive/Genesis, with character Amy Rose as playable character in place of Sonic the Hedgehog.There are no new level designs or anything. This rom hack is just Sonic 1 but you get to play as Tails.I just found a secret with the Sonic 1 GBA port! You can press L+Start on the title screen and it will take you to a partially coded Labyrinth Zone! There are no enemies or obstacles (except for spikes) there and you can't drown, but the basic level art is done and the water functions properly (physics-wise and it dims the screen).Play Sonic Advance (GBA) classic game Online in your browser, Play Sonic Advance for Game Let's Play GBA is a Website where you can play All the original ROMs and also the new hacked ROMs games released to You are playing Sonic Advance Online, if you like it, please leave your Vote.The former of these was originally based on an old version of Sonic 3 Complete and incorporates a fair number of the original changes made to it.

Check out Sonic 3 Cz and Sonic 3 and Amy Rose, more exotic hacks of Sonic 3 & Knuckles, each of which takes a different approach to adding a playable Amy to the game.It was released in Japan on March 21, 2001, in North America on June 11, 2001, in Australia and Europe on June 22, 2001. The Game Boy Advance (GBA) is a 32-bit handheld game console developed, manufactured and marketed by Nintendo as the successor to the Game Boy Color.
