Quote Originally Posted by Drageuth View Post
I played through the game on Normal the first time, because I never like starting a game on the hardest difficulty. Then, when I decided that I wanted to play through it again and attempt to platinum it (because lolsobored), I beat through the majority of the game on Apocalyptic in one sitting. Granted, it was a 14 hour sitting (about 10 hours of game play), but that got me past the four main "dungeons," and all I had left to do the next day was collect the Armageddon Blade pieces and fight the final boss.

So... yeah. Not especially difficult.
Should I just play through it on Apocalyptic when I start it then?

That's what I usually do with games now, play through on hard then mop up what I missed later on.