The Legend of Zelda: Ocarina of Time at One Point Contained Portal Gameplay

Long before Valve ever released its highly successful puzzle game Portal, it sounds like those over at Nintendo were experimenting with similar gameplay ideas in what eventually became The Legend of Zelda: Ocarina of Time. Although this functionality obviously never made it into the beloved action-adventure game, one developer who previously worked on the project revealed that it contained mechanics involving portals at one point in time.