Can I reuse the serial to Medal of Honor Allied Assault for PC?

I just bought the game used and I was wondering (if you need a serial number) what if the serial was used, can I use it again?



ThanksCan I reuse the serial to Medal of Honor Allied Assault for PC?
You can put it in but if anyone is online while using that code it will say code already in use :)Can I reuse the serial to Medal of Honor Allied Assault for PC?
Alex is right, MoH will detect it in case 2 serial numbers are being used at the same time

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