Making the challenges for this event so intensely energy consuming makes me wonder how many players will end up quitting the game. The past 2 weeks I have had 8 team members stop playing. I'm retired so I can play throughout the day and even then after 3 days on Challenge 1, I had cleared less than half the tiles. I finally used a golden ticket to level up just to get the 750+K of energy and used 1M of food energy to make a bigger dent in the amount of remaining tiles. Challenge 2 is going to be even worse and I'd consider skipping it but I just got to New World and can use the materials in the chests, along with the remaining pipe wrenches. Casual players who have jobs or are otherwise busy and cannot play a lot most likely are going to struggle completing this event.