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Dinosaur Planet was a game originally developed by Rare and set to be published by Nintendo, planned for release on the Nintendo 64, but later intended for the Nintendo GameCube instead. It was cancelled in its original form, rebranded and incorporated Star Fox characters, becoming Star Fox Adventures. A late prototype was found and dumped onto the internet in March, 2021.

Eat or be eaten! Assume the role of an animal in it's early stages of evolutionary development. As your animal instincts take over, you will boldly traverse hostile environments, savagely stalking your prey to assert your place in the animal chain of power. Will you have what it takes to become the new king of beasts? The game started development on the Nintendo 64, but went unreleased, being later ported to the Nintendo GameCube. A prototype of the Nintendo 64 version has been found

An enhanced version of the Superman game for Nintendo 64 which was cancelled due to license expiration. Although both games are related, the PlayStation version was going to have many improvements over the original game and a complete overhaul on the gameplay sequences, focusing on exploration and combat. A late prototype was found and dumped online.

Dragon Sword is a third person Hack n' Slash dungeon crawler developed by Team Storm of Interactive Studios and published by MGM Interactive, whom cancelled it before release.

Velvet Dark is a canceled project that was planned as a sequel or spin-off of Perfect Dark. The game was designed as a third-person stealth action game following Velvet Dark, Joanna Dark's sister though the relation wasn't stated in Perfect Dark. Velvet appears as the co-op character in Perfect Dark. Likely beginning as a Nintendo 64 title, the game was canceled at some point after the GameCube was announced in 2000. The table of contents page of a design document for the game, dated the 30th of October 2000, was revealed on twitter by Gregg Mayles in 2015. Compatibility with the Game Boy Advance was planned, probably similar to the way content in Perfect Dark could be unlocked with a connection to the Game Boy Color game, also titled Perfect Dark. This would also mean there were plans for a Game Boy Advance companion game of some kind, though no work on a connected title has been revealed.

Grand Theft Auto 64 is an unreleased port of Grand Theft Auto for the Nintendo 64 which was cancelled before being revealed to the public.

The Legend of Zelda: Ocarina of Time is the fifth main installment of The Legend of Zelda series and the first to be released for the Nintendo 64. It was one of the most highly anticipated games of its age, and is listed among the greatest video games ever created by numerous websites and magazines. The gameplay of Ocarina of Time was revolutionary for its time, it has arguably made more of an impact on later games in the series than any of its predecessors even though they had the same cores of exploration, dungeons, puzzles and item usage. Among the gameplay mechanics, one of the most noteworthy is the time-traveling system. The game begins with the player controlling the child Link, but later on an adult Link becomes a playable character as well and each of them has certain unique abilities. Ocarina of Time also introduces the use of music to solve puzzles: as new songs are learned, they can be used to solve puzzles, gain access to new areas and warp to different locations. Dungeon exploration is somewhat more puzzle-oriented than in earlier games but they are not too complex.

Mario is super in a whole new way! Combining the finest 3-D graphics ever developed for a video game and an explosive soundtrack, Super Mario 64 becomes a new standard for video games. It's packed with bruising battles, daunting obstacle courses, and underwater adventures. Retrieve the Power Stars from their hidden locations and confront your arch-nemesis— Bowser, King of the Koopas! • Run freely in a grassy meadow, tip-toe through a gloomy dungeon, climb to the top of a mountain, or take a swim in the moat! • Leap headfirst into a watery painting and soon you'll be searching for the surface in an underwater realm! • On-the-fly, 3-D rendered gameplay delivers the action of ruthless enemy attacks from every angle! • Find the Caps that give Mario super powers and ponder the mysteries of the pyramid; you can even race Koopas for fabulous prizes! • With the Nintendo 64 Controller and its analog Control Stick, Mario can crawl, kick down obstacles, swim, do reverse flips, and even stick the landing on his backwards somersault! • Saved game information is stored for up to four players in memory.