This process, known as a "basic cheat table," worked brilliantly for single-player games. In multiplayer games like Battlefield 2 , it was a game of cat-and-mouse with PunkBuster.
Unlike modern games that use server-authoritative networking (the server decides if you got hit), Battlefield 2 operated on a hybrid model. Your client told the server what was happening. If your client said "I am at X, Y, Z," the server mostly believed you. This trust was the fatal flaw. battlefield 2 cheat engine