You need to read 50 notes to get the Noteworthy achievement in Modern Warfare 4, but there are still quite a few more than just 50, including collectibles you might miss. While you won't earn any in-game rewards other than a trophy for your online profile, we've gone ahead and found all the collectibles and notes you can get in the campaign, so check out the list below to ensure you gather them all!

There is no in-game way to track the collectibles you're missing, so you can use the checklist below to tick off any items you find in the order in which we show them.

You can get 16 unique rewards for Modern Warfare 4's Multiplayer, DMZ, and Warzone by completing the Campaign. Here's what you can unlock!

Go through the sliding doors on the left of the living room.

Enter the kitchen and open the cabinet on the left to find this note.

Enter through the sliding doors to the right of the living room to find a cabinet.

Inside the cabinet is a toolbox you can open with code: 214.

In the third house you enter, enter through the double sliding doors to find two single doors.

Enter the single door on the right and open the closet to find this note.

Head through the room on the right and take another immediate right to open a cabinet with the key hanging from the side.

Open the hatch in the kitchen and remove the woman from the hiding spot.

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