The Purple Coin: Club Saturn Edition
Buy
Parent game
Swarmed by an evil army of Collector Bros, you must fight to survive. Possess your enemies and cause fights to earn points and buy yourself more time! You aren't alone this time; a costumed friend lurks in the shadows. Complete Challenges to unlock new stages and gameplay modifiers.
Could be interesting
Anjelo's Province is a fan-made remake of Anjelo's Land.
Sonic Color Cursed is a 2D speed based platformer, inspired by the Genesis classics with a 1-bit artstyle! Dr. Eggman is up to his antics again and this time he’s stolen all the color from the planet! Sonic and friends will have to put an end to Eggman’s plans with flying colors! Or else the world will forever cease to have color! There are RGB scales for you to adjust to have your own shade of the game. You can also enable colored outlines for important objects!
A fangame based around the scrapped concepts of Sonic 1, combining some elements from the early prototypes.