In Interval 08, when you're fighting the Giant Creep boss, after damaging it sufficiently you are supposed to damage it one final time and finish the fight. For some reason, the game becomes completely broken from this point onwards. Only moving works. It's not possible to shoot, jump, throw grenades, crouch, not even pausing the game and accessing the menu with the 'Esc' key works. You literally cannot do anything other than walk around the place, making the game completely impossible to progress. It *may* have something to do with the game not playing well with E-cores at this point, so you're in bad luck if you have a 12th gen Intel processor or later. Even restarting the level doesn't fix it, but I'm not testing it any further, the game is horrible enough as it is, especially the 8th level which is pretty horrendous. I've never seen a glitch so bizarre as this, but you're really not missing anything with this awful thing. Buy FEAR 1, it's a masterpiece and a classic. But FEAR 2 and 3 are absolutely horrible.