Cheats and Level Select. These are the things which made Goldeneye so much fun, because they gave the game a "oh hell, do whatever you want, just go dick around for a while" feel. It added so much replay value. But no one ever puts these in modern video games, and I miss them. I want a game where I can just screw around again.
Also, 13 Ghosts, I loved that movie, why is it the only horror movie which for some reason no one ever felt like making a sequel to? I honestly don't give a crap if it's the shitiest most tacked on sequel ever, I just need one more hit. Although, a video game based around the same sort of premise could be really cool too.