Sonic & Knuckles Collection

Sonic & Knuckles Collection is a Sonic the Hedgehog compilation game for Microsoft Windows-based PCs.

The ports have all of the music emulated in MIDI format. Some music (that of Carnival Night Zone, Ice Cap Zone, Launch Base Zone, Knuckles' theme, and the credits music.) was replaced with original music. One possible explanation for this is that those pieces of music used both MIDI and Wave output, and some sound cards of the time were not capable of doing so. Another explanation for the replacement is that the songs were replaced due to legal reasons, because connections could be made between similar songs by Michael Jackson. [1] Other than that, the gameplay is identical to their Genesis counterparts.

The collection includes:

• Sonic the Hedgehog 3
• Sonic & Knuckles
• Sonic 3 & Knuckles
• Blue Sphere (in options dialog as "Special Stage Mode")

Sonic Compilation

Sonic Compilation is a game compilation released in 1995 for the Sega Mega Drive containing three previously released Sonic titles: Sonic the Hedgehog, Sonic the Hedgehog 2, and Dr. Robotnik's Mean Bean Machine. The 1997 released North American Genesis version was renamed to Sonic Classics 3 in 1.

Sonic Compilation was the first collection of multiple Sonic games on one cartridge. In some locations, it even was bundled with the console during its later years.

Sonic the Fighters

Sonic the Fighters (Sonic Championship in US arcades), is a fighting game in the Sonic the Hedgehog series. The game's original title is used in North American and European releases of Sonic Gems Collection. The game was once planned for release on the Sega Saturn, but was cancelled for that console.

Sonic R

Sonic R is a racing game developed by Traveller's Tales and Sonic Team for the Sega Saturn and PC, the latter version being ported to the GameCube in Sonic Gems Collection. It features characters from the Sonic the Hedgehog series. The game is characterized by the same sense of environmental openness in the Sonic platformers. It contains colorful 3D graphics combined with a strong soundtrack by Richard Jacques (including songs performed by British singer T. J. Davis).

Tails' Skypatrol

Tails' Skypatrol is a video game in the Sonic the Hedgehog series, developed by JSH and published by Sega for Sega Game Gear. It was originally released on April 28, 1995 as an exclusive game to the Japanese market. Tails' Skypatrol is also included as an unlockable minigame in Nintendo GameCube's Sonic Adventure DX, and was re-released as one of the featured games in GameCube's Sonic Gems Collection. The game is a spin-off in the Sonic series following the adventures of Sonic's trusty sidekick Miles "Tails" Prower as he tries to save an island from Wendy Witchcart, who turns anyone opposing her into crystals with her magic.

Sonic Spinball

Sonic the Hedgehog Spinball (also known as Sonic Spinball) is an adventure pinball game in the Sonic the Hedgehog series. It was originally released for the Sega Mega Drive/Genesis in 1993 and later ported to the Game Gear system. It was also released in 1994 on the Master System in Europe by Sega Europe (which is one of the last games made for the system and is quite hard to find), this was later released in Brazil by TecToy and in Portugal by Ecofilmes in 1995. This version is a port of the Game Gear version. The Mega Drive/Genesis version was released on the Wii's Virtual Console on March 12, 2007 in North America and April 5, 2007 in Europe. The game is a pun on pinball and Sonic's famous spin move. It is the only Sonic game to feature characters from the Saturday morning cartoon Sonic the Hedgehog, though only in cameos. The game's score was composed by Howard Drossin.

Sonic Drift 2

Sonic Drift 2 is the sequel to Sonic Drift. It was released in Japan for the Sega Game Gear in March 17, 1995. The European version was released that same month as Sonic Drift Racing, and the North American release in November 1994. It added three characters: Knuckles, Fang, and Metal Sonic.Sonic Drift 2 was the first game to feature Metal Sonic and Fang the Sniper as playable characters.

In the game, Chaos Emeralds are awarded for winning races. If Sonic, Tails, Knuckles or Amy collect all six in the Blue GP, they will face Dr. Eggman in a final race around the Death Egg. If Eggman, Metal Sonic or Fang collect all six in the Blue GP, they will face Sonic in the final race. Unlike its predecessor, this game was released internationally, and Sega Europe decided to rename it to Sonic Drift Racing, most likely, the "2" would make a title a sequel, not a completely original.