Most important thing in a video game?

For me, I give a shit about it being challenging or not. You gotta know how the game works or else you will play like a fucking dumbass no matter if you're alone, with buddies, or recording the game. Plus, games are meant to be beaten. 

Easy games are not for me unless they have difficulty options, but even then I wouldn't really buy those games if they don't have something I'm looking for (blood, gore, hot girls, guns, swords, cool looks, etc) because I like to be challenged and go seek shit for the thrill.

Good Gameplay, Playability, and Good Framerate.

It has to be fun first and foremost a game with ultra realistic graphics alone is nothing,also in some games music just gives it the vibes kinda like in GTA where if you turn off the radio the game just feels off.

Im not really bothered by fps being under 60 if a game its fun and you enjoy theres nothing better like for example I had a blast NFS Carbon on my PS3 a couple days ago I dont know if its 60fps but damn if it isnt fun and it doesnt get too long like other games that jsut seem to stretch out.(sorry for the rant I felt inspired xd)