Searching for "serial number links" often leads to "abandonware" or "crack" websites. While these may seem like a quick fix for a lost key, they carry significant risks:
Publicly shared keys are often blacklisted by game servers. If you use a generic key found online, you may be unable to join multiplayer matches. How to Get a Working Copy Today
If you have lost your original key or your physical discs are damaged, the most reliable way to play Allied Assault today is through modern digital storefronts.