River Raid: Mission of No Return was an unreleased sequel to the original 1982 game and River Raid II (released in 1988), both for the Atari 2600. River Raid was a popular game on the Atari 2600, and with the resurgence of older video game properties in the mid 1990s, Activision decided to capitalize. They had sequels to games like Kaboom, River Raid and Pitfall in development for the SNES, but only Pitfall actually made it out. This game was shown at the 1993 Summer CES, and covered in the EGM 1994 Video Game Preview Guide.
Tarzan is an unreleased game in development by Gametek. Tarzan was mentioned to be in development by Gametek in the June 1993 issue of Nintendo Power. Clayton Kauzlaric, a developer of the game, says that the game was within months of completion. He says that it was canceled due to the fact that you kill off endangered species, and the fact the game wasn't that fun.
A new virus has allegedly spread throughout the Mushroom World, and Bowser's minions are enforcing strict stay-at-home orders to prevent its further spread. Mario, knowing Bowser's history of evil deeds, is suspicious, so he violates the orders to investigate.
Mario's Mission Earth was a cancelled third installment of the SNES educational games that would've followed a similar formula to Mario is Missing! and Mario's Time Machine, with the main focus being set on the solar system. Nothing is known about the project apart from a mention on the resume of Mark Knight, the composer for the SNES versions of Mario is Missing! and Mario's Time Machine.
Briefly revealed in gaming publications, Kid Kirby was a prequel to the Kirby series starring Kirby as a baby. It was developed by DMA Design, who also developed Lemmings and Uniracers.
While very few details are known about the gameplay, a former DMA employee revealed official artwork and maps from the game.
The game was designed to be played with the SNES Mouse, but as sales of the mouse were declining, Nintendo wanted the game to play with a controller instead. The gameplay suffered as a result, and the game was eventually cancelled.
Yoshi Racing is a rejected pitch for a 3D game in the Yoshi franchise. The game was revealed in an article by Eurogamer detailing Argonaut Games' involvement in the development of Star Fox where the game was described as a 3D platformer and left unnamed, while a message board post by an Argonaut employee named the game "Yoshi Racing" and described it as a character racing game.
Following their successful collaboration with Nintendo on Star Fox, British game developer Argonaut Games pitched a 3D game starring Yoshi and made a prototype for it. However, Nintendo did not follow on the offer, with one Argonaut employee speculating this was because the company did not want to let third-parties use its characters. Following this setback, Argonaut decided to retool the prototype as an original IP, Croc: Legend of the Gobbos.
X was first showed as a tech demo for the Super Nintendo Entertainment System, before starting development on the Game Boy. This version has colored graphics.
The game would later become the first Star Fox.
Sylvester and Tweety was one of several games based on Warner Brother cartoons by Sunsoft. It eventually met its end when Sunsoft went bankrupt in early 1995.
This is a cancelled version of Rayman for the Super Nintendo Entertainment System, for which the game was being previously developed. An early prototype was dumped on the internet in 2017, containing a short and simple level to showcase Rayman's abilities and animations.
Tom & Jerry 2 was a game that was being developed by Hi Tech. It appears different that the Genesis game, Frantic Antics. One can only speculate as to why it was canceled. It probably found the same fate as other Hi Tech games like Bobby's world, in which the market was too saturated for platformers based on cartoons.
Based on the video board game of the same name. You must escape the undead realm of the Gatekeeper and avoid your worst nightmare. A prototype of Atmosfear (also known as NightMare) dated July 12, 1994 was released by Hidden Palace in April 2019.