Sonic & Blaze

Sonic: After the Sequel (abbreviated Sonic ATS), is a fan game created by LakeFeperd that is meant to explain the events that may have taken place between Sonic the Hedgehog 2 and Sonic 3 and Knuckles. In it, the player plays as Sonic and Tails, racing through numerous zones as Sonic and Tails go out to stop Dr. Eggman from crashing the Death Egg into (and attacking), the new, mysterious island known as Angel Island. It is the sequel to Sonic Before the Sequel.

Sonic Robo Blast is an early Sonic fan game from 1998, created by Sonikku, real name Johnny Wallbank, of Sonic Team Junior. It is one of the earliest Sonic fangames to exist and led to the founding of Sonic Team Junior as well as the eventual creation of it's sequel, Sonic Robo Blast 2.

Super Mario Flash (also known and abbreviated as SMF1) is the first of two online games developed by Pouetpu and released on pouetpu.pbworks.com before the creation of Pouetpu-games site. Super Mario Flash is entirely based off of the Nintendo game "Super Mario Bros.", and also combines several features of different games such "Super Mario Bros. 3". The main feature of this game is that includes a level editor so the players could make their own levels and share it on the forum/site so other players could test them and rate them.

Sonic Dimensions is a 2D fangame created by Phantom-Radea that takes inspiration from the gameplay style of Sonic Rush.

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.

Here at Hedgehog Testing Inc., we take the matter of rogue and spikey rodents very seriously. They're a threat and a menace to society! So what have we decided to do? Take matters into our own hands by capturing these creatures and studying them to their fullest extent. All sponsored by G.U.N. of course!

Sonic In The Timeline Of Madness is a fangame about the battle between Sonic and his friends against Eggman's evil plot. With the help of seven chaos emeralds, Eggman decides to mess up time so that he can carry out his plan.

Neo Sonic Universe is an action game developed and published by Alexandre Martins in 2003.

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!