Thanks to the way Sims 4 divides differently, it's impossible to know what activity will come with what pack.
I can never work out what's so great about Open Worlds. What makes them so completely superior? Sure, less loading screens. Funny thing is on my computer each loading screen is less than twenty seconds while people with 10 year laptops complain of over a minute. Well, that's what happens when you play on min-specs. There's plenty you can blame on EA - like how SIms 3's engine only allows you one world per save - but you can't blame the speed of your computer on it.
Vacation Worlds are like World Adventures, but you can travel all the very different worlds anyway - as soon as Get Together came out you could go to a rave in the Bluffs or crazy themed parties, as soon as City Living came out there were four festivals to visit, etc. In fact to complete all your collections you NEED to visit all the worlds.
