codes for the games that I have played on playstation and that I know that work.
[A][B][C][D][E][F][G][H][I][J][K][L][M][N][O][P][Q][R][S][T][U][V][W][X][Y][Z][Other]
 

A
Ace Combat 2
B
C
Croc
Croc (secret levels)
D
E
F
Fade To Black
Fade To Black (Walk Through)
G
G - Police
G - Police (Walk Through)
Grand Theft Auto
H
I
J
Jet Rider
K
L
M
Mech Warrior
Moto Racer
N
Need For Speed 2
O
P
Q
R
Rapid Racer
Red Alert
S
Sentient (Walk Through)
Sim City 2000
Soviet Strike
T
Toca Touring Car
Total Driven
U
V
V-Rally
W
War Craft 2
X
Y
Z
Other