if Mario 64 and Zelda OoT fuse together.
The maps so out of sync
Another cool vid though
Yeah, it's a pretty neat project.
Also kind of amusingly, not the only attempt to make a Mario 64 X Ocarina of Time crossover:
So now we've got Ocarina of Time remade as a Mario 64 hack and Mario 64 remade as an Ocarina of Time one...