The first Call of Duty game came out on October 29, 2003, on PC (Microsoft Windows).

Since you framed this like a quick scoop/forum-style question, here’s a compact breakdown.

Quick Scoop

  • First Call of Duty release date: October 29, 2003.
  • Platform: PC (Microsoft Windows).
  • Developer: Infinity Ward.
  • Publisher: Activision.
  • Setting: World War II, with American, British, and Soviet campaigns.

Mini Timeline

  1. 2003 – Call of Duty launches on PC and kicks off the franchise.
  1. Mid‑2000s onward – The series expands to consoles, then to modern, Cold War, futuristic, and even space settings.
  1. 2020s – Call of Duty is a long‑running, yearly blockbuster series, with recent entries still releasing regularly.

In forum debates, if someone asks “when did the first Call of Duty come out,” the precise answer to quote is October 29, 2003. Bookmark that for the next nostalgia thread.

TL;DR: The first Call of Duty dropped on October 29, 2003, on PC, developed by Infinity Ward and published by Activision.

Information gathered from public forums or data available on the internet and portrayed here.