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In Wonderful Idea, the personalities of certain characters are amplified. For example, Toriel is more protective, Undyne is more determined and Papyrus even ends up joining the Royal Guard.
Also known as: [Undertale: Hard Mode] Wonderful Idea, Wonderful Idea, Undertale: Wonderful Idea
Undertale: Hard Mode - Wonderful Idea [Genocide Ending] is available on PC (Microsoft Windows).
No — Undertale: Hard Mode - Wonderful Idea [Genocide Ending] is a single-player game.
Undertale: Hard Mode - Wonderful Idea [Genocide Ending] was developed by Avranik.