It wasn’t possible for me to get into exactly why Broken Age Act 2’s [official site] story is quite such a betrayal of the first half’s potential in my review. It’s all major spoilers. So, with that in mind, the following article contains plot spoilers up to the very end of Act 2.
While Broken Age Act 2 is a let-down in many ways, not least the dreadful puzzles, for me the complete abandoning of what had seemed so special in the first half is what sucked the most. I’ve explored why.