Fun Hard - Geometry Wars, it starts easy but gets progressively harder. Doom on Nightmare, it bridges on stupid hard but if you speed run you can do it.
Stupid Hard - Final Fantasy X-2 in chapter 5. If you haven't been grinding and been an obsessive completionist for the first four chapters, you're screwed.
Stupid Hard - Final Fantasy X-2 in chapter 5. If you haven't been grinding and been an obsessive completionist for the first four chapters, you're screwed.