The number of special achievements in Narita Boy is very large, and retrieving memory achievements is one of them, and the requirement of this achievement is to retrieve all fragments of the backup floppy disk, which you will get after getting the last backup disk. If you have achieved previous achievements, you should be able to get all the backup disks.
How to retrieve memory achievements by Narita boy
Retrieve memory
Search all clips of backup floppy disk
You will get it after getting the last backup disk. If you get previous achievements, you should be able to get all the backup disks, but I'm still listing them here.
1. Please refer to the Reconstructed Memory Section
2. Refer to the section “In a Man’s House”
3. Refer to the "I want to bring beer" section
4. Please refer to the room with landscape
5. Refer to your friend’s room section
