Escape Memoirs Mini Stories: All Collectibles in The Bunker DLC

In the Staircase Area, there are 2 collectibles available.

From the beginning, you need to turn around and climb the stairs to the bunker door, look down for 17:

Second one is in the room at the bottom of the stairs, on the left of the box you have collectible 18:

In the next room, just around the corner look up to the megaphone and get collectible 19:

In the room to the right, under the box you have collectible 20:

As soon as you go through the air lock, turn right. Follow the pipes on the floor and after you pass the crate on the left, you should find in the pipes collectible number 21:

Continue on the corridor and collectible 22 can be found where you have some pipes, on the left side, just crouch and look inside:

Next, on the corridor you will find some pallets. Look down from the top, you should see collectible 23 in there:

Since you can drop things in the grate on the floor, near the lights check in the corner through the grate for collectible 24:

Near Electrical Room you will see coridor B1-A13. Look on the vent on top for collectible 25.

Collectible 26 is a bit tricky. Go on the corridor where you have the pallets in the corner as below, and climb on them to get a view of the vent. You will see it there, but cannot reach it. You have to go down and pick it up from the ground.

In the Bunk Room, go next to the bed in front (first row) and you will find collectible number 27 on the lower bunk:
 

Second collectible in this room is under the locker door next to the desk, number 28:

After you enter the Electrical Room, turn around and close the door. First collectible is hidden on the bottom left side of the door, number 29:

Second one is under the cart, collectible 30:

In the toilet there is only one to find, hidden in the toilet paper rolls, number 31:

As soon as you enter the Storage Room there is black board in front of you, with a box with locks at the bottom. In the same box, you will find number 32, just go next to the board and look down:

The second one is hidden under the shelves on the left, behind the rations boxes, collectible 33:

First collectible you will find is on the table, number 34:

Next, go to the small room where you have all the gas, Chemical Room, and under the sign on the wall you will see it under the hatch door, collectible 35:

If you go to the back right corner of the Generator Room, you will find a shelf and behind it collectible number 36:

4th and last collectible is behind the generator, on the above pipes, collectible 37:

Hope this helped you!! Have a great day!