Here is everything you need to know about this specific title and how to safely find the gameplay experience you’re looking for. What is Call of Duty: American Rush 3?

If you specifically want the nostalgic feel that the "American Rush" mods try to emulate, the original Call of Duty 2 is still available and runs well on modern hardware. How to Stay Safe

While searching for it is important to clarify a major point: there is no official game by this title released by Activision or any of the primary Call of Duty developers (Infinity Ward, Treyarch, or Sledgehammer Games).

If you are determined to find a specific mod, from unverified sources. Instead: