Yo-kai Watch 4++ details multiplayer mode, new quests, and more new yo-kai - Gematsu

Level-5 has released new information and screenshots for Yo-kai Watch 4++, its enhanced version of the original game, introducing the game’s multiplayer mode, new quests, and new yo-kai.

Yo-kai Watch 4 Archives - Nintendo Everything

Yo-kai Watch 4 coming to PS4 - Gematsu

Cadin's Cave on Tumblr

Yo-kai Watch 3, Yo-kai Watch Wiki

Yo-kai Watch 4 - Wikipedia

Yo-kai Watch 4++ launches for PS4, Switch on December 5 in Japan - Gematsu

Yo-kai Watch 4 Official Site Update - New Yo-kai, Gameplay Details : r/ yokaiwatch

Yo-kai Watch 4++ Update - NEW DLC, NEW Yo-kai, & MORE!

Yo-kai Watch 4++ Re-release/Paid Update Announced for December 5 Release, Details Inside : r/yokaiwatch