Mario Multiverse 7.8 ((free))

A: No. Nintendo has never acknowledged the name. Consider this a "concept title."

He ran forward, his movements fluid and weightless. He jumped, landing on the corrupted Goomba. Instead of bouncing off, the ground beneath him liquified. He fell through the floor, bypassing the Underground theme, and landed in a water level. Mario Multiverse 7.8

: A narrative-driven level that showcases the game's ability to integrate unique storytelling elements within a platforming stage. bypassing the Underground theme