Resident Evil 3 Remake can unlock the Nerd Trophy Achievement after collecting all the plot files, many of which are located in hidden locations, presumably in apartment buildings, the Redstone Street subway station, the Metro control room and other locations.
Start Area
File #1 Jill's Report
Apartment Building: posted on the wall in Jill's apartment along with a photo, and needs to be collected after you've finished using the bathroom and turned on the lights.
File #2 Investigation Notes
Apartment Building: collected in the same way as File #1.
Document #3 Unsealed Letters
Apartment Building: next to the shelf.
File #4 Message from a coworker
Apartment building: next to the pizza in the kitchen.
File #5 Biochemical Countermeasures Unit Gunpowder Making Guide
Redstone Street Subway Station: you can see it on the bench after you've watched the subway's overhead animation.
File #6 Tabloid Headline
Red Rock Street Subway Station: the small store (kiosk) you pass after going up the stairs to find File #5.
File #7 Biochemical Countermeasures Unit Herbal Synthesis Manual
Redstone Street Subway Station: on the table in the room where the item box is located (subway exit).
File #8 Diary of a Pharmacy Owner
Downtown: next to the safe.
File #9 Kate Brothers Railroad Operations Manual
Metro Control Room: in the first room of the Metro Control Room (before you get to the room where you find the shotgun).
File #10 Memo for Subway Employees
Subway Company Control Room: on the table in the Subway Maintenance Room (which is the room with the shotgun).
File #11 Training Log
Downtown-Garage: next to a man wearing a hat who was shot by Nicola.
File #12 Biochemical Countermeasures Unit Suicide Log
Downtown: after leaving the room that triggered Nikola's over animation, go to the end of the alley on the right and this file is next to the body.
File #13 Electrician's Notes
Downtown: leave the garage from where File #12 is located and go to the left, the file is hanging on the wall.
File #14 Substation Director's Fax
Subway Substation - Control Room: enter the substation after you meet the first dog, the file is upstairs in the control room.
Document #15 Green Herb: Very effective!
Subway Substation: after leaving the safehouse, it can be found on the bench next to some green herbs.
File #16 Inside the Substation Memo
Subway Substation: hang on the wall next to the fence gate, a short distance from File #15.
Back to the area where the game started
File #17 Your Charlie Doll
Downtown: in the toy store, check out the giant poster.
End of the leak and continue pushing the plot
File #18 Chad's Notes
Subway Substation: in the area where the infected spiders appeared, first you need to reset 4 breakers in order to reboot the power to the substation, and then you can find it by climbing up the ladder to the scaffolding. The file.
Sewers
File #19 Improving Sewer Security
Sewers: right next to the door, you need to install power on the wall (before the countryside slides into the sewers).
Document #20 Research Assistant's Log
Sewer (Lower Level): go left at the first fork in the sewer and go to the end to climb a small ladder to reach the second safehouse. File #20, File #21 and the MGL Grenade Launcher are in the safehouse.
Document #21 Kendo's Gun Shop Invoice
Lower Waterway (Lower Level): in the same room as Document #20.
Document #22 Sewer Worker's Notes
Sewer Road (Lower Level): follow the sewer road until you see ? Waterfall? , go through the waterfall to find this file.
File #23 A Love Letter?
Sewer (Lower) Lab: Located on a table in the lab (there is a ladder under the lab).
DEMOLITION SITE
File #24 Notice of Demolition Delay
Demolition Site (Upper Level): can be found next to the typewriter in the second safehouse during the chase chase chase with the flamethrower.
After the Chase Chase (flamethrower) boss fight
File #25 Raccoon Times Reader's Column
Downtown: enter the building after you open the locked door next to Kendo's Gun Shop, the file is on the bed.
Carlos's View (Police Station)
File #26 Email Outbox
Police Station (Entrance): return to the initial location where you started the tour in Carlos's view, and go down the stairs (before you get to the path where you fought with Brad the Walker). To the right you can see a small room with the file on the table.
File #27 ID Card Security Protocol
Police Station 1F (Reception): located in the first room to the left after entering the police station, you will need to talk to another police officer first to open the shutters.
File #289 Arrest Report for September 20
Police Station 1F (West Office): on a table in the middle of the room.
Document #29 Internal Memorandum
Police Station 1F (Darkroom): in the safehouse at the bottom of the stairs after the west office.
File #30 Notes to a Friend
Police Station 2F (Shower Room): in the shower room on the 2nd floor.
File #313F Locker
Police Station 1F (Seized Items Holding Room): in the same room as Key Prop #12. Enter the room and get the photo from the white board on the right.
File #32 Apartment Incident Report
Police Station 2F (S.T.A.R.S. Office): In the secondary office next to the S.T.A.R.S. office. You need to destroy the wall of the shower room by first using the battery + electronic parts to form a detonator.
Gill's View (Second Time) - Clocktower Plaza
File #33 Biochemical Countermeasures Unit New Weapons Notification
Subway Tunnels (Broken Shelter): in the first room after switching to Gill's view again, the file is on the bench.
File #34 Clocktower Brochure
Clocktower Plaza: in the same area as Charlie's Doll #13, on the bench near the river.
Carlos' Perspective (2nd) - Hospital
Document #35 Spencer Memorial Brochure
Hospital 1F (Reception): obtain it by interacting with the newspaper sales desk on the right side of the Reception Room (that's where you encounter the first walker).
File #36 Nurse's Diary: September 25
Hospital 1F (Lab Reception): the file is on the table in the Lab Reception.
File #37 Nurse's Diary: September 27
Hospital 2F (Records Room): the file is on a shelf in the Records Room.
File #38 Nurse's Diary: September 29
Hospital 2F (Staff Room): on the desk in the Staff Room.
Document #39 Administrative Memorandum
Hospital 2F (Staff Room): on the wall next to the door in the Staff Room.
Document #40 Notes on Tape Recordings
Hospital 2F (Nurse's Station): on the table at the nurse's station.
File #41 RE: Lost and Found
Hospital 1F (Operating Room): go back downstairs and use the ID card on the door to the operating room, the file is behind the medical chair in the operating room.
File #42 Banquet Invitation
Hospital 1F: Play the cassette tape on the voice-activated door, open the door and enter the room where you can see Dr. Bard's dead body, and the file is next to the body.
File #43 from Nathaniel? Bard's emails
Hospital 1F: In the same room as File #42, right on the computer.
Jill's Perspective (3rd) - Hospital
File #44 Lift Announcement
Underground Storage Room (Office): can be found in the safehouse in the underground storage room again after using the elevator.
File #45 Employee Memo
Underground Storage Room: During the search for the fuse, enter the room on the south side of the office (there are 3 walkers inside).
File #46 Unfinished Activity Log
Underground Storage Room (Surveillance Room): in the same room as Weapon Upgrade Parts #10. It can be found by checking the computers in the room.
File #47 NEST 2 Employee Code
NEST 2-1F (Storage Room): in the NEST 2 Safehouse, along with a map of the area.
File #48 Isaac? Graves' Diary
NEST 2-2F: Go up to the 2nd floor and take the corridor on the left to the end, there's a walker there and the file is behind the walker.
File #49 Vaccine Combination Roundup
NEST 2-2F: In the huge unnamed room between the workers' lounge and Lab 1, the file is on the bed.
File #50 Shipment Notification
NEST 2-1F: Will go downstairs and use the flash drive to open the locked door, enter the room to find this file in front of the black body bag.
File #51 Weapons Authorization Request
NEST 2-2F (Experiment 1): from the location of File #50 go upstairs into Lab 1, where the file is on the table.
File #52 Scientist's Dying Message
NEST 2-1F: Go downstairs through the room with the black body bag and turn right as you enter the next room to find this file on the body.
File #53 Worrying Performance
NEST 2-2F (Hatching Lab): on the table in the Hatching Lab.
File #54 Processing Center
NEST 2-2F (Worker's Lounge): after obtaining the vaccine you will be attacked, watch the transient animation and proceed to take control of Jill, located in the Worker's Lounge. At this point check the note on the wall next to the door.
File #55 Weapon Specification Sheet
NEST 2-B1 (Employee's Lounge): You can find it by entering the safehouse after fighting Chase's second form.
File #56 Suspicious Contract Memo
NEST 2-B1: After fighting Chase's third form, climb the yellow ladder behind the boss's body and look on the floor before reaching the next door. This is the last file in the game, collect it to unlock the Nerd Trophy/Achievement.