I know of one on Medusa Plot Mission 1, if you eliminate (not kill them) one agent, and you restart the game, they don't have an X on them. However, you don't have to eliminate them again.
nooo not really
There is no cheat in any 39 clues game!
There is no cheat in any game in the 39 clues.
Scholastic planned to have the 39 clues game so that kids can become logical thinkers.
There is no cheat codes in any game in the 39 clues.
There are no cheat code in any game in the 39 clues.
The 3rd magic sum in the 39 clues game is 42.
Sadly, no
Read the books. Collect the cards. Play the game.
Because there are 39 clues you have to find before you win the game. I hope it makes sense to you.
no, the game is free
You can't.