First thing, if you honestly think this was based off of any movie then I am going to back slap you so hard your teeth will bleed. It is based off of BOOKS sorry that none of you read or decide that you are going to post biased comments without knowing your facts first.
Second thing, I absolutely love this game, and I suck balls at platforming games. I love the darkness, the minigames that break up the action, the creepy music, the fighting, and the duel-layer psychosis storyline.
Third thing, I honestly feel like they didn't have anyone playtest this because HOLY DUCKING GLITCHES! Now that still doesn't ruin games for me because being a game tester is one of my dream jobs, and I am aware that nothing is perfect. The more content you pack in with less processing power; there will always be glitches.