Sonic 4: Cybernetic Outbreak

Sonic the Hedgehog is a platform game developed by Sonic Team and published by Sega for the Sega Genesis. It was released in North America in June 1991 and in PAL regions and Japan the following month. The game features Sonic the Hedgehog, who can run at supersonic speeds, as he sets out to defeat Dr. Robotnik.

The Blue Blur returns with Tails in this faster, bigger sequel. Introduces the Spin Dash and iconic zones like Chemical Plant, selling over 6 million copies worldwide.

The epic conclusion to the 16-bit trilogy featuring Knuckles' debut. Introduces elemental shields and save functionality, originally planned as a single game with Sonic & Knuckles.

Sonic's first 3D-style platformer featuring isometric gameplay. Rescue Flickies from Robotnik's machines across seven zones with new spin dash and jump mechanics.

The revolutionary cartridge with 'Lock-On Technology' that combines with Sonic 3 to form a 14-zone epic. Play as Knuckles through Sonic 1/2 levels with redesigned pathways.

The Blue Blur's debut on GBA featuring classic 2D platforming with new moves like the Wall Jump. Play as Sonic, Tails, Knuckles, or Amy across 6 vibrant zones with multiplayer racing modes.

A 2005 dual-game cartridge combining Sonic Advance's fast-paced platforming with Sonic Battle's fighting mechanics. Features 4-player versus modes and all characters from both games.

Sonic Battle is a 2003 fighting game featuring Sonic and friends in fast-paced arena combat. Players customize their fighting style with unique skill sets for each character while uncovering a mysterious story about an ancient weapon.

A portable Sonic masterpiece blending elements from Sonic 2 and Sonic 3, optimized for NeoGeo Pocket's clicky joystick. Features 6 zones with unique gimmicks and hidden Chaos Emeralds.

A compilation of 8 classic Sonic titles from the Genesis/Mega Drive era, optimized for Nintendo DS with dual-screen presentation and save state functionality.

Sonic and Tails battle Dr. Eggman in an interstellar amusement park, featuring the new Wisps that grant colorful power-ups and the debut of the DS-exclusive Jade Wisp.

Sonic the Hedgehog is a 8-bit portable adaptation of Sega's iconic platformer for the Game Gear. While sharing the same title as the Genesis version, this game features completely original levels designed for handheld play. Players control Sonic as he speeds through zones to stop Dr. Robotnik's evil plans.

Sonic the Hedgehog 2 for Game Gear is a unique 8-bit adventure that differs significantly from its Genesis counterpart. This handheld version features original levels, new power-ups, and introduces Tails as Sonic's companion. Players navigate through vibrant zones to collect Chaos Emeralds and stop Dr. Robotnik's latest scheme.

An original Game Gear adventure featuring Sonic and Tails battling both Robotnik and Knuckles in a three-way conflict. Introduces new power-ups like the Water Shield and Mega Tails Attack.

Sonic Chaos is a Game Gear-exclusive Sonic title that builds upon the handheld's capabilities with improved graphics and gameplay. Featuring both Sonic and Tails as playable characters with unique abilities, the game introduces new power-ups like the Rocket Shoes while maintaining the series' signature speed.

Sonic Labyrinth is an unconventional isometric puzzle-platformer for the Game Gear where Sonic must navigate maze-like levels after Dr. Robotnik steals his speed. Players rotate the environment to guide a slowed-down Sonic through obstacle courses to retrieve Chaos Emeralds and restore his abilities.

Sonic Blast is a 1996 platform game featuring Sonic and Knuckles with pre-rendered 3D graphics. The fifth and final Sonic game released for the Game Gear, it introduced new gameplay mechanics but received mixed reviews for its slow pace and technical limitations.

Sonic Spinball combines pinball mechanics with platforming action as Sonic becomes the ball in Dr. Robotnik's volcanic fortress. The Game Gear version features simplified tables but retains the core physics-based gameplay of the Genesis original.

The first Sonic racing game featuring 8 playable characters including Sonic, Tails, and Dr. Robotnik. Race through 15 tracks across 3 cups using special abilities and power-ups.

Tails Adventures is a platform-adventure game featuring Miles "Tails" Prower from the Sonic the Hedgehog series. Released for the Game Gear in 1995, the game focuses on exploration and item collection rather than speed, offering a different gameplay style from main Sonic titles.

The 8-bit Sega Master System version of Sonic's debut adventure, developed separately from the Genesis/Mega Drive classic. While sharing the same premise of stopping Dr. Robotnik's animal-roboticizing plans, this version features completely unique level designs tailored to the 8-bit hardware's capabilities.

The blue blur returns in this faster-paced sequel featuring Tails as a playable character. Race through vibrant zones, collect Chaos Emeralds, and stop Dr. Robotnik's latest scheme in this 8-bit masterpiece that pushed the Master System to its limits.

The third Sonic title for Master System introduces Tails as a playable character with unique flight mechanics. Features 6 zones with branching paths, special stage item collection, and Robotnik's new 'Electro-Sphere' weapon.

Sonic CD is a 1993 platform game developed by Sonic Team and published by Sega for the Sega CD. Notable for introducing Amy Rose and Metal Sonic, the game features time travel mechanics across Past, Present, and Future versions of each zone. Sonic must collect Time Stones to prevent Dr. Robotnik from conquering Little Planet.

Sonic the Hedgehog Megamix is an extensive fan-made modification of Sonic CD that completely transforms the game with new characters, levels, physics, and gameplay mechanics. Version 4.0b represents one of the most polished iterations of this ambitious project.

This expansive Sega CD fangame remixes content from Sonic 1-3 & Knuckles with original zones, playable characters (including Mighty and Ray), and CD-quality arranged music. Features new mechanics like elemental shields and a time-attack mode.

Knuckles' Chaotix is a platform game developed and published by Sega for the 32X. It features Knuckles the Echidna leading the Chaotix crew through Carnival Island to stop Dr. Robotnik's latest scheme. The game introduced innovative tether mechanics between two characters.