
GAME · 2003 · USA
Call of Duty
- Developer
- Infinity Ward
- Publisher
- MediaQuest Holdings, Aspyr
- Platforms
- N-Gage, Microsoft Windows, macOS, PlayStation 3
9 archived facts 2 topics 1 source Last reviewed Sep 2026
9 Interesting Facts About Call of Duty
Production Story (8)
- #001
Work on Call of Duty started in April 2002 under Chief Creative Officer Vince Zampella, and by May 2003 the team had grown to 27 people.
- #002
The game ran on an upgraded version of the id Tech 3 engine from Quake III Arena, combined with Ares, an in-house skeletal animation system.
- #003
Infinity Ward wanted a World War II game built around squad play, with smart teammates helping out in large-scale battles; the team researched the period's weapons, artillery and vehicles in depth for authenticity, on a budget of $4.5 million.
- #004
The developers built an AI pathfinding system called "Conduit," woven tightly into the squad-based campaigns, which let the AI pin enemies down with covering fire and get past obstacles like fences and windows.
- #005
The AI was designed to flank enemies, bounce grenades into position and move from cover to cover.
- #006
The multiplayer modes were built with modders in mind: lead designer Zied Rieke explained that gameplay and modes were written in script, making it very easy for players to create their own multiplayer mods.
- #007
Michael Giacchino composed the music, which first came out in 2003 as the Call Of Duty Official Soundtrack Sampler CD, part of the EB Games pre-order package in Europe.
- #008
Justin Skomarovsky was brought in to write an extra piece, "Age Of War," for the intro cinematic leading into the "Call Of Duty" title screen.
Behind the Scenes (1)
- #009
Lead animation director Michael Boon said actions that earlier games would have scripted were handed over to a dynamic AI in Call of Duty, so levels play out differently each time.
Related pages
- Inde Navarrette — Call of Duty comes up in the facts on that page
Sources & editorial notes
Sources for the entries on this page
- Wikipedia Call of Duty (video game) — Wikipedia
Information from external sources is independently selected, consolidated and edited by Arka Evren. Sources are listed for verification and further reading. Encyclopedia text is used under its licence (CC BY-SA). How we work
