PC version Fans have made a PC version. Some are still early, so read the project page first.
Fans took Urban Chaos: Riot Response — Burner Edition apart and rebuilt it so it runs natively on a computer, often with widescreen, higher frame rates and mods. Here is the project we know about:
Urban Chaos: Riot Response Burner Edition — PC port powered by XboxXBERecomp. Bring your own Xbox ISO.