It’s Friday night. Your guests, some of them already inebriated, begin pouring in through the front door — and they’re itching to dance. As host of your house party, what’s the first move you make?

Goofy has taken over CommuniCore Hall at EPCOT, turning it into “GoofyCore” for Cool Kid Summer. The overlay includes decorations, a DJ, and games. CommuniCore Hall will open at 9:15 a.m. daily, ...