Early promotional footage from Nintendo Space World 1995 showed a drastically different aesthetic for the final showdowns.
Several enemies didn't make the final cut, but their models lived on in the game's code.
In the final game, Whomp’s Fortress uses harmless wooden pillars. In the Spaceworld demo, those logs were replaced by . The asset is simple (a 3D render of a tree trunk with metal spikes), but its implication changes the level’s dynamic entirely. Finding the texture rip of that spiked log is a trophy for any asset collector.
in the source code confirmed the "L is Real 2401" myth. He was intended for a cut 2-player split-screen mode, and his physics were slightly different from Mario’s, mirroring his "slippery" feel from Lost Levels 2. Spaceworld '95 Assets
Early builds featured a Bowser model with a radically different art style. This version had long, thin limbs, a elongated snout, and an overall more reptilian, menacing look. It closely matched the classic 2D artwork from the original Super Mario Bros. manual but looked deeply unsettling in 3D.
Unearthing the Past: The Best Super Mario 64 Beta Assets and Early Development Secrets