Don't remember what games the codes are for, but I'm pretty sure that they were all from PSP games. I just found these when I was going through some stuff. Please let others know which ones you took.
SDQ8-7MEJ-NV00-917X
GLG5-383R-0CV6-JCJR
P77B-KFV1-FJ6G-B3MZ
G7KQ-JAWW-SYKU-506X