What is a serial code?
Note: The following holds true for about 99.9% of all playstation discs
Serial codes are unique to each playstation disc. Just like fingerprints and DNA, a serial code will only have one game/disc assigned to it. (The goal of this website is to someday have ALL 'registered' serial codes listed along with it's corresponding game/disc title's name)
Serial codes has 4 letters and 5 numbers (eg. SLUS-20963) and can be found in 3 places; printed on the side of the game case (PS1 games also have it printed on the front of the case), printed on the game disc, and within the disc's file directory (with a slightly different format - SLUS_209.63).
Each of the 4 letters has a different meaning:
1st: The media type
S = CD/DVD
U = UMD
B = BluRay
2nd: Licensing
C = 1st party (Sony)
L = 3rd party
3rd: Region
E = Europe/PAL
J/P = Asia/Japan
U = US/Canada
4th: Release Type
D = Demo
M = Malasian Release (?)
S = Retail Release
The 5 digit has no real meaning, although they are generally considered to be in chronological order based on when they were assigned (NOT by release date).