On the Rain-Slick Precipice of Darkness/Machine Parts

As you explore New Arcadia, you will collect Machine Parts, both from felled Fruit Fucker enemies and sometimes just lying around. There are enough Machine Parts to upgrade all three characters' ../Weapons/ to their third and final "normal" iteration.

Desperation St
All the Machine Parts in Desperation Street will be collected automatically by defeating all the enemies encountered during the ../Tutorial/.
 * Total parts: 19

Hobo Alley

 * Total parts: 122
 * Cheswick & Grove
 * Grove Bend
 * West Chestnut Park
 * West Chestnut & Grove
 * West Chestnut St.
 * The Shithole Warehouse: There are spare parts lying on the tables in the warehouse - inspect all 17 to pick them up.

Pelican Bay
The enemies in this level drop around 25 parts each when defeated.
 * Total parts: 450
 * Toolbooth
 * Midway
 * Promenade
 * The Gates of Silence

Cloying Odour Sanitarium
Machine Parts: 320


 * Suitcase on the path to the Sanitorium [40]
 * "Inside" a frog on the path to the Sanitorium [80]
 * "Inside" a dead frog right in front of the Sanitorium [80]
 * In one of the cabinets in the morgue [120]

Riverbrook Park Estates
Machine Parts: 600
 * "Inside" a dead bird in the first area [120]
 * "Inside" a dead bird on the fountain [120]
 * Bouncing sandwich on the second floor of the Apartments [80]
 * Bouncing sandwich in the lounge on the third floor of the Apartments [120]
 * Bouncing sandwich on the fourth floor of the apartments [160]

Symposium on the Future of Man
Machine Parts: 240
 * Fought in the battle with the Living Furnace [80]
 * In the conference room, after the fight with the Living Furnace [160]

1922 World's Fair
Machine Parts: 920
 * In the first area of the Fair [120]
 * In the second area, after the fight [120]
 * On the right of the Ameliator [180]
 * In front of the generator [120]
 * In front of the Giant Fruit Fucker, after using the big red button [120]
 * To the right of the Giant Fruit Fucker, after using the big red button [160]