Games like Sonic Outbound
Sonic Universe 2
Two months after Sonic, Tails, and Knuckles' adventure in Sonic Universe 1, Robotinik returns. He calls Shadow to help him, but Shadow doesn't accept because he lost badly two months ago... Robotinik doesn't like it and leaves. So Shadow turns good and tries to support Sonic & co. against Robotinik (again!!). Now Robotinik is back stronger than ever! He takes the Master Emerald and leaves! Help Sonic & Friends get the Master Emerald back!
Sonic the Hedgehog Transitions
A Sonic fan game set in the SatAM universe.
Sonic Chaos
Sonic Chaos is a fan game and re-imagining of the 1993 Sega Game Gear and Master System platform game of the same name. Based on the current style of 2D classic Sonic games inspired by Sonic Mania, Sonic Chaos updates the 8 bit visuals of the original and adapts a play style more closely resembling the classic 16-bit games.
Project 32X: Sonic Mars
Sonic and his friends found out about the Cyberspace and its inhabitants, and Robotnik is using this world to create his empire, now everyone has to try to save the Cyberspace with the power of the Cyber Emeralds. Project 32X is a fan game that attempts to revive the original Sonic Mars/Sonic 32X project.
Chapter Zero: The Angel Island Saga
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...
Sonic: After the Sequel - Omega
Sonic: After the Sequel - Omega is fan-made enhanced version of Sonic: After the Sequel.
Sonic Skywind
A Sonic game introducing fast paced combat with limited open world areas involving story progress scenarios and side missions.
Neo Sonic Universe
Neo Sonic Universe is an action game developed and published by Alexandre Martins in 2003.
Sonic Spectre
A 2D Sonic the Hedgehog fangame made with Clickteam Fusion
Sonic Requeset
Sonic Requeset is just your generic Sonic fan game.