It is easy to get the program for it. All you do is search for these things and download them:
-Sonic FGX (of course)
-Game Maker 7
Then you must start working on your character.
It is strongly recommended that you go to the FGX Base and download the original sprites. So then, You must open the Sprite, (Press the MAKE A SPRITE button. Its the Red pacman button at the top of your screen. Then you paint on each sprite. and make sure that they are all the same color. And then save it as a .gif file in your Sonic FGX folder. Then, Load it, And you would be playing on it!
P.S. When you draw on the sprite, don't make it completely different. Just make the color different.
Hope this helped! Bye!
Well I dont know if you can maybe draw the picture of the custom charter then Maybe you can play as another one.maybe it works
well if you wanna find it i suggest looking on the internet
you just type :sonic fgx download:
Dark Spine Sonic is not a playable character although you can play as him only as a custom character using gamemaker 8. More information~ Darkspine Sonic isn't a playable character. But you can get the Custom character of him by joining the FGX Insider(SFGX's Forum) and posting 150 times.
sonic 5
Mario is not a playable character although you can play as him only as a custom character using game maker 8.
hkskjt5 sonic fgx 2 games is all rig
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a+b
NO
Collect all chaos emeralds.
Play as sonic shaow and knuckles