Psycho Pinball is a 1994 pinball video game published and developed by Codemasters, released for the Sega Mega Drive in the United Kingdom, and DOS personal computers in the U.S.

QuackShot: Starring Donald Duck, known in Japan as I Love Donald Duck: Guruzia Ou no Hihou (アイ ラブ ドナルドダック グルジア王の秘宝?), is a 1991 platforming video game developed by Disney Interactive Studios and published by Sega for the Sega Genesis. The game was released in Europe in 1991, in North America on December 19, 1991 and in Japan on December 20, 1991. It stars Donald Duck and his three nephews, Huey, Dewey, and Louie, as treasure-hunters. Much of the game is patterned after the first three Indiana Jones films. QuackShot is part of a series of games that Sega of Japan produced for the Sega Genesis based on Walt Disney cartoon characters. Its 8-bit counterpart is Lucky Dime Caper, released only for the Sega Master System and Sega Game Gear. The game also was on a cartridge entitled "Disney Collection" bundled with Castle of Illusion.[2] QuackShot was converted for the Sega Saturn and released together with Castle of Illusion only in Japan as part of the Sega Ages series in 1998. It is a straight conversion of the game with no substantial changes. QuackShot was released to mostly positive reviews from video game journalists. The game was universally lauded for its graphics, with magazines like Sega Pro describing them as "some of the best graphics around." The game was also praised for its music and puzzles, as well as their clever use in the game. However, QuackShot was criticized for its controls, being described by IGN as "float-y" and making certain segments of the game unnecessarily difficult. The game was also criticized for its lack of difficulty overall as well as its lack of speech samples, which several other Genesis games of the time had.

Red Hot Sonic 2 is a hack of Sonic the Hedgehog 2 (16-bit) by redhotsonic. It was his first hack.Started in early 2004, this hack featured two fan characters: Red Hot Sonic and Jet Pack Tails. Several versions were released (0.50, 0.60, 0.70, 0.80, and then finally 0.90). The hack started off bad (especially the palettes) but became more developed over time.

Sally Acorn in Sonic the Hedgehog (aka Sally in Sonic 1) is a fan-made ROM of the game Sonic the Hedgehog for the Sega Mega Drive/Genesis, with Princess Sally Acorn as a playable character in place of Sonic the Hedgehog.The game was modified by Sonic Retro member E-122-Psi, with additional programming and coding by other members including Snkenjoi,MarkeyJester, Aquaslash,Selbi and Hayate.

Samurai Shodown, known as Samurai Spirits (サムライスピリッツ Samurai Supirittsu?, Samu Supi in short) in Japan, is a competitive fighting game developed and published by SNK for their Neo Geo arcade and home platform. Released in 1993, it is the first installment in the Samurai Shodown series. In contrast to other fighting games at the time which were set in modern times and focused primarily on hand-to-hand combat, Samurai Shodown is set in feudal-era Japan (similar to Kaneko's Shogun Warriors) and was one of the first fighting games to focus primarily on weapon-based combat after the success of Capcom's Street Fighter II.

Sonic the Hedgehog (ソニック・ザ・ヘッジホッグ Sonikku za Hejjihoggu?) is a platform video game developed by Sonic Team and published by Sega for the Sega Mega Drive/Genesis. First released in North America, Europe, and Australia on June 23, 1991, the game is the first installment in the Sonic the Hedgehog series, chronicling the adventures of the titular character in his quest to defeat the series' antagonist Dr. Robotnik. The game's story focuses on Sonic's efforts to stop Dr. Robotnik's plans for world domination, release the animals Dr. Robotnik has trapped, and collect six magical emeralds known as the Chaos Emeralds.Development of Sonic the Hedgehog began in 1990, when Sega ordered its AM8 development team to develop a game featuring a mascot for the company. After a hedgehog was decided on as the main character, the development group was renamed Sonic Team.Sonic the Hedgehog received positive reviews from critics, who praised the game's visuals and its sense of speed. It was commercially successful, increasing the popularity of the Mega Drive/Genesis and establishing Sonic the Hedgehog as the company's mascot. Its success led to the development of subsequent games in the Sonic the Hedgehog series, as well as the creation of a media franchise of spin-off products featuring the character.