Sonic and the Fallen Star

Sonic and The Fallen Star is a 2D speed-based platformer in the style of the 2D Classic Sonic games.

This fan game tells the story of why chaos emeralds are no longer used in recent Sonic games. What events took place after Sonic Unleashed before Sonic Lost World, which prevents the characters from using chaos emeralds? What secrets do the temples of Chaos Emeralds hide?

Oddworld: Soulstorm is a modern re-imagining of the 1998 title Oddworld: Abe's Exoddus. It serves as a direct sequel to Oddworld: New 'n' Tasty. The player controls Abe, a reluctant hero who inadvertently sparked an uprising and now must lead his fellow Mudokons in their fight for freedom against the Magog Cartel and the planet’s ruling power.

A Sonic game introducing fast paced combat with limited open world areas involving story progress scenarios and side missions.

Sonic World DX is a Heroes-style fangame with over 15 playable characters and 10 unique stages!

Crash N. Tense Adventure, a 2D Crash Bandicoot fangame, inspired by the original Playstation 1 Crash games. Exactly what you'd expect from a Crash game, single player classic platforming, collecting crates, wumpas and crystals, avoiding or attacking enemies with a spin move (not the Sonic variant), and then trying to beat your time in time trials.

The Last Tinker is a joyous action adventure and definitely no platformer, as there is no jump button. Koru, a boy from the slums of Colortown, must rise and stand against the Bleakness, a dark force intent on wiping out joy. Koru must use color and emotion to restore life to Colortown!

Sonic P-06 is a platform game developed by Argentinian programmer "ChaosX" for Windows. It is an unofficial remake of the 2006 video game Sonic the Hedgehog, originally developed by Sonic Team and published by Sega for the Xbox 360 and PlayStation 3. The remake features many improvements over the original source material, such as improved controls, faster load times, enhanced visuals, various bug fixes, restored dialog, and brand new mid-level cutscenes. P-06 has a huge cult following and an active speedrunning community. As of August 2023, nine demos have been released, containing all main acts from Sonic's, Shadow's, and Silver's campaigns. The boss fights, hub worlds, town missions, and final story from the original game are not yet playable in P-06.

What if Sonic Triple Trouble had been originally released on the Sega Genesis / MegaDrive, after Sonic 3 & Knuckles?

Sonic Before the Sequel (abbreviated Sonic BTS) is a fan game created by LakeFeperd that is meant to explain the events that may have taken place between Sonic the Hedgehog 1 and Sonic the Hedgehog 2. In it, the player plays as Sonic and Tails, alternating between the duo through numerous zones as Sonic goes to stop Dr. Eggman from launching the Death Egg, with Tails trying to keep up and eventually meet and team up with Sonic. An update was released during SAGE 2012, adding improved graphics, an original soundtrack made by Falk, KgZ, Andy Tunstall & Funk Fiction, and a bonus boss if you reach the good ending. A sequel, Sonic After the Sequel, and an interequel, Sonic Before the Sequel Aftermath (which has now formed into another fangame by LakeFeperd called Sonic Chrono Adventure), were released as well.

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.