P3NCKRWNXP (unused)
the answer iswxx8op9nb4hope this helpsx
x-ray and sand stone city and here is a free card code for you and your friends P23HRFXFXP
Here's my agent card code. Hope it helps. P4GKW2K2XP.
LUCIANCLUE
Tomas
one agent card code is K32RD3D7T3
You can't enter them manually. But, check out 39clues.wikia.com/wiki/Card_combos ~James the Janus Check out this reusable card code! P3GJW7JEXP
my agent card code is p4hd64mjxp please add my card it will be good 4 me + u.
Card 1001: P47THDPNXP
The hidden code on card 28 in the 39 Clues collection from the first book is "Salamander."
Once you create your agent card view it in "my cards" and click on the box that says share and it will show you the code.