Collectibles can be found throughout Quadwrangle Manor in the form of Awkward Noise Generators and Blueprints. For lists of levels containing collectibles, please see the article for each type of collectible. For help locating collectibles, please see the pages for the indicated levels.
The game immediately saves whenever you collect any of these items. You don’t have to collect it again if you die before completing the level, or if using level select, you can exit to the level select screen or main menu.