Sonic USB Online
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Gather your friends and see who is truly the fastest in this no hold barred fast track. Featuring many different stages through the Sonic series enhancing the stages with new features for multiplayer. Explore the world and work together to complete missions.
Tails and the Quest of 100 Rings is a fan game created by Magnus Andersson (aka mightydillo). A demo was initially released publicly with one zone in 1997. It was only the second Klik & Play Sonic-based fan game to ever hit the internet. A completed version was released in mid-1998. A demo for this game was released in the Sonic Klik & Play Collection.
Sonic Arena is a Fighting game that was finished after 17 years.
Sonic the Hedgehog RPG: Gearhead is the fourth episode of the Sonic the Hedgehog RPG series,
Sonic Treading Power is a fan game made for SAGE 2023.
The world is a chaotic, terrifying place, rife with all manner of monsters, warlords and hostile architecture. Even for the mighty Pachacamac clan, just the act of survival is a day to day struggle, and everybody seems to know that they can't keep it up forever. In pursuit of a safe home, a lone shaman named Ichima happens apon the Special Stage - and with it, a means of realizing their dreams of safety and peace...
Daris Venture is a half-Saturn/Advance-style fan-made game that will tell you an alternate history of Mobius that ended not in the best way for the Robotnik Empire.
A 2D Sonic the Hedgehog fangame made with Clickteam Fusion
Open Sonic is an open-source game based on the "Sonic the Hedgehog" universe. It introduces a different style of gameplay called cooperative play, in which it's possible to control 3 characters simultaneously. Unlike most similar games, Open Sonic provides a greater level of interaction between the player and the levels. It's more than just a jump'n'run; the user must come up with some strategy in order to get through the levels.
2002, the year Sonic 2099 was released on Windows. Made and self published by TGF Team, this action game is available for free.