A Quiet Place: The Road Ahead

Act 1 - The Ranch
1. In the drawer behind the sitting area by the fireplace
2. After obtaining the key, go upstairs and enter the room. It's in the drawer to your left

Act 2 - The Hospital
3. After leaving the vent, go left to reach the reception area. Instead, go right and open the last room on the right. It’s in the drawer

Act 3 - The Forest
4. After obtaining the key and using the wooden plank, open the locked fence, climb the boxes, enter the building from the back, and open the drawer
5. In the room to your left before exiting the house through the window

Act 4 - The Lake House
6. Inside the briefcase (code: 481) located in a cabin

Act 5 - The Campsite
7. Before leaving the initial campsite area, turn around and go up the porch of the first house
8. In the mines, near the end of the act. Keep moving forward and turn left to find the mixtape on a sack

Act 6 - The Trainwreck
9. After placing the plank, climb up the rock and turn right. Enter the birdwatch tower and open the briefcase (code: 369)
10. From #9, turn around and go forward. The mixtape is on a wooden box to your right
11. During the monster event, enter the train cart the monster came from and find the mixtape to your right
12. Before entering the second train cart during the monster event, turn left, climb the platform, and find the mixtape on your left
13. After the cutscene where the train falls, check behind the bar

Act 7 - The Pump Station
14. Before progressing the story by using the vent in the sewer, place the plank on the far left spot (facing the wall with the vent). Cross the gap, turn left twice, climb the window, and check the drawer to find a mixtape

Act 9 - The Harbor
15. At the beginning, when you see a statue in the distance, turn left, climb the obstacle, and open the briefcase to your right (code: 692)
16. In the room where you turn the power back on, check the drawer near the window
17. On the roof with "Shelter ahead! Get to diner" graffiti, go right three times, and open the briefcase (code: 347)

Act 10 - The Fire Station
18. During your first visit to the control room (safe room), open the drawer to find the mixtape
19. After turning on the sprinklers, during your second visit to the control room, check the now unlocked changing room for the final mixtape

Video guide: