: A console-exclusive miniboss located in a secret room behind the Joy-Con colored doors under Papyrus and Sans's sink.
: Unlocks new visual borders like "Mew Mew Kissy Cutie" and "Super Dog, Hoi" after completing specific in-game tasks. Undertale SWITCH NSP [Update] (eShop)
: Utilizes Switch Joy-Con motion sensors specifically for the exclusive boss encounter. Version Differences | Undertale Wiki | Fandom : A console-exclusive miniboss located in a secret
: Released late September 2018; current stable build for the digital eShop release. Undertale SWITCH NSP [Update] (eShop)