During this creative process, the team explored a multitude of ideas, including the innovative bending Warp Pipes featured in the game’s initial trailer. By diligently prototyping these concepts, the team eventually uncovered what director Shiro Mouri referred to as the game’s “core.” According to Mouri, this approach involved pushing ideas to the extreme, knowing that adjustments could be made later in the development process.
One particularly noteworthy idea emerged from the sound director, Koji Kondo. He envisioned a live-action Mario, eight heads tall and life-sized, humming in harmony with the game’s background music as he navigated the world. Notably, this live-action Mario would vocalize “Boing!” when leaping. Although an intriguing concept, this idea did not find a place in the final game.