EA’s Coupon Code Goof Up Results in Free Games Bonanza → The coupon code was supposed to be one-time and applicable for one game — except EA forgot to put in the one-time check. Woops. Few enterprising souls discovered that they could use it multiple times. EA’s servers essentially didn’t bother to validate if the user had applied the code or not.
via EA’s Coupon Code Goof Up Results in Free Games Bonanza.