The white Robin represents Kageshina Kurabe, the main protagonist of Nintendoji who wears a white robe.
The stage represents the Great Cave Offensive, the main setting of the titular sub-game in Kirby Super Star which features multiple dungeons similar to Nintendoji.
The music track references the traditional Japanese aesthetic of Nintendoji, which was developed along with Sakura Samurai: Art of the Sword by Grounding Inc.
The Crate item references the block-shaped dungeon layout on the Nintendo 3DS's bottom screen in Nintendoji.
