I'd want them to be about the size of the unexpanded worlds in Yooka Laylee (maybe a little smaller). To make the worlds feel larger, they could have them all be interconnected like Tooie's worlds. I would prefer about 15 Pagies per world and have the quests to get them be more detailed. I wish they'd put other major collectibles in the world, like have you collect 2-3 butterfly or energy containers before getting an upgrade and you have to collect Play Tonics for Vendi to unlock her abilities. These would be a much better reward for the second time you play Rextro's minigames.