I’m sure that someone else has already made a guide like this before, but these are all the Monocoin locations that me and my friend were able to find for Danganronpa: Trigger Happy Havoc (please let me know if I missed any!)
Chapter One Locations
Despair Hotel
Makoto Naegi’s Dorm Room: Trash Can
Sayaka Maizono’s Dorm Room: Bed
Trash Room: Floor Hatch, Green Door
Laundry Room: Swimsuit, 4th Machine, 6th Machine
Boy’s Washroom: Fish
Dining Hall: Camera
Kitchen: Vegetables
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
AV Room: DVD Player
Classroom 1-A: Clock
Classroom 1-B: Camera
Entrance: Mailbox
Gym Entry: Monitor, Clay Figurines
Makoto Naegi’s Dorm Room: Trash Can
Sayaka Maizono’s Dorm Room: Bed
Trash Room: Floor Hatch, Green Door
Laundry Room: Swimsuit, 4th Machine, 6th Machine
Boy’s Washroom: Fish
Dining Hall: Camera
Kitchen: Vegetables
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
AV Room: DVD Player
Classroom 1-A: Clock
Classroom 1-B: Camera
Entrance: Mailbox
Gym Entry: Monitor, Clay Figurines
Chapter Two Locations
Despair Hotel
Makoto Naegi’s Dorm Room: Monitor, Trash Can
Laundry Room: Magazines, 1st Machine, 2nd Machine
Dining Hall: Clock
Kitchen: Deli Case
Bathhouse: Massaging Chairs
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
Gym Entry: Camera
Hope’s Peak Academy(Floor 2)
Classroom 2-A: First Window, Clock
Classroom 2-B: Camera
Pool Entry: Lifesaver, Board Rack
Pool: Locker
Library: First Bookshelf, Second Bookshelf, Desk
Archive: Lamp
Makoto Naegi’s Dorm Room: Monitor, Trash Can
Laundry Room: Magazines, 1st Machine, 2nd Machine
Dining Hall: Clock
Kitchen: Deli Case
Bathhouse: Massaging Chairs
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
Gym Entry: Camera
Hope’s Peak Academy(Floor 2)
Classroom 2-A: First Window, Clock
Classroom 2-B: Camera
Pool Entry: Lifesaver, Board Rack
Pool: Locker
Library: First Bookshelf, Second Bookshelf, Desk
Archive: Lamp
Chapter Three Locations
Despair Hotel
Makoto Naegi’s Dorm Room: Trash Can, Camera
Laundry Room: 5th Machine
Dining Hall: Monitor
Kitchen: Camera
Warehouse: Right Shelf
Bathhouse: Bath, Sauna
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
Nurse’s Office: Minifridge
Hope’s Peak Academy(Floor 3)
Classroom 3-A: Last Window
Classroom 3-B: Camera
Rec Room: Othello Board, Dartboard
Art Room: Back Wall, Monokuma Statue
Repository: Monitor
Physics Lab: Air Purifier, Back Wall
Supply Room: Blue Tarp
Makoto Naegi’s Dorm Room: Trash Can, Camera
Laundry Room: 5th Machine
Dining Hall: Monitor
Kitchen: Camera
Warehouse: Right Shelf
Bathhouse: Bath, Sauna
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
Nurse’s Office: Minifridge
Hope’s Peak Academy(Floor 3)
Classroom 3-A: Last Window
Classroom 3-B: Camera
Rec Room: Othello Board, Dartboard
Art Room: Back Wall, Monokuma Statue
Repository: Monitor
Physics Lab: Air Purifier, Back Wall
Supply Room: Blue Tarp
Chapter Four Locations
Despair Hotel
Makoto Naegi’s Dorm Room: Trash Can, Lint Roller
Trash Room: Button Panel
Warehouse: Left Wall, Right Rack
Laundry Room: 3rd Machine
Kitchen: Monitor
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
Classroom 1-B: Clock
Hope’s Peak Academy(Floor 4)
Classroom 4-A: Monitor
Classroom 4-B: Camera
Music Room: Piano
Chem Lab: Monitor, Camera
Office: Desks 1, 2, 3, 4, 5
Makoto Naegi’s Dorm Room: Trash Can, Lint Roller
Trash Room: Button Panel
Warehouse: Left Wall, Right Rack
Laundry Room: 3rd Machine
Kitchen: Monitor
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
Classroom 1-B: Clock
Hope’s Peak Academy(Floor 4)
Classroom 4-A: Monitor
Classroom 4-B: Camera
Music Room: Piano
Chem Lab: Monitor, Camera
Office: Desks 1, 2, 3, 4, 5
Chapter Five Locations
Despair Hotel
Makoto Naegi’s Dorm Room: Trash Can, Notepad
Trash Room: Floor Hatch
Laundry Room: 7th Machine
Warehouse: Left Shelf
Bathhouse: Bath
Dining Hall: Camera
Kitchen: Vegetables
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
Entrance: Main Door
Hope’s Peak Academy(Floor 5)
Classroom 5-A: First Window
Classroom 5-B: Monitor
Classroom 5-C: Camera
Garden: Monokuma Flower
Tool Shed: Fertilizer, Lawnmower
Training Dojo: Targets, Samurai Armor
Makoto Naegi’s Dorm Room: Trash Can, Notepad
Trash Room: Floor Hatch
Laundry Room: 7th Machine
Warehouse: Left Shelf
Bathhouse: Bath
Dining Hall: Camera
Kitchen: Vegetables
Hope’s Peak Academy(Floor 1)
School Store: Bottom Shelf
Entrance: Main Door
Hope’s Peak Academy(Floor 5)
Classroom 5-A: First Window
Classroom 5-B: Monitor
Classroom 5-C: Camera
Garden: Monokuma Flower
Tool Shed: Fertilizer, Lawnmower
Training Dojo: Targets, Samurai Armor
Chapter Six Locations
Despair Hotel
Trash Room: Button Panel
Laundry Room: Swimsuit
Bathhouse: Sauna
Kitchen: Knife Rack
Teacher’s Bedroom: Bed
Headmaster’s Bedroom: Desk
Locker Room: Metal Plate, Broken Locker
Hope’s Peak Academy(Floor 1)
Classroom 1-A: Note on Desk
AV Room: Box
School Store: Bottom Shelf
Nurse’s Office: Minifridge
Gym Entry: Top Shelf
Hope’s Peak Academy(Floor 2)
Boy’s Workout Room: Idol Poster
Library: Desk
Hope’s Peak Academy(Floor 3)
Rec Room: Couch
Repository: Mallets
Hope’s Peak Academy(Floor 4)
Chem Lab: Cabinet
Hope’s Peak Academy(Floor 5)
Garden: Camera
Training Dojo: Targets
Trash Room: Button Panel
Laundry Room: Swimsuit
Bathhouse: Sauna
Kitchen: Knife Rack
Teacher’s Bedroom: Bed
Headmaster’s Bedroom: Desk
Locker Room: Metal Plate, Broken Locker
Hope’s Peak Academy(Floor 1)
Classroom 1-A: Note on Desk
AV Room: Box
School Store: Bottom Shelf
Nurse’s Office: Minifridge
Gym Entry: Top Shelf
Hope’s Peak Academy(Floor 2)
Boy’s Workout Room: Idol Poster
Library: Desk
Hope’s Peak Academy(Floor 3)
Rec Room: Couch
Repository: Mallets
Hope’s Peak Academy(Floor 4)
Chem Lab: Cabinet
Hope’s Peak Academy(Floor 5)
Garden: Camera
Training Dojo: Targets
By Akii
