Looks like this wasn't supposed to get revealed but oh well also Giantland reveled.
https://twitter.com/KH13chi/status/985634684028760066
https://twitter.com/KH13chi/status/985634684028760066
During the opening remarks at the Dandelion Meeting, a new Kingdom Hearts 3 trailer was shown off. The events transpire in Twilight Town Sora is given a game machine that will allow us to play various mini-games, such as Giantland.