Wave Race 64 was first shown by Nintendo at the Shoshinkai 1995. In this event, the game had a completely different concept of futuristic transformable motor boats on the water, which was very different from the first game in the series, Wave Race for the Game Boy. Later, at E3 1996, the game had been changed for the usual human players with jet skis.
A game/creation tool by Software Creations, shown at Space World 1995 as one of the first Nintendo 64 games. At first, it didn't have any relation to Nintendo's IPs. But it was cancelled in its original form and became the basis of what would later become Mario Paint 64, later Mario Artist: Paint Studio.
Sanrio Timenet World is a cancelled video game in the Sanrio Timenet series. The game was meant to be a spinoff to the Game Boy games Sanrio Timenet: Kako-Hen and Mirai-Hen and would interact with them via the Transfer Pak.
Universal Constellation is a Rom Hack for Super Mario 64, which is aiming to be the biggest SM64 Rom Hack ever made, with 832 total stars in its final release.