The difficulty spike in the last part of Metroid Prime Remastered is absolutely maddening. Zero Mission and Dread felt like it had a nice rhythm that lead to the end, Prime comes out of nowhere to wail on ya.

"oh, you're having fun with all these puzzles? you can take your time. that's fine. no rush. look around! explore! oh, and by the way YOUBETTERLOOKOUT THISALIENISGONNAKILLYOUSEVENDIFFERENTWAYS