Based in Chicago, Illnois, the Chicago Research Facility was one of the clandestine laboratories belonging to the Umbrella Corporation, and one of the main components of Umbrella's North America division - Umbrella USA.
- Games
- Resident Evil Zero
- Resident Evil (PlayStation)
- Resident Evil (GameCube)
- Resident Evil 2
- Resident Evil 3: Nemesis
- Resident Evil CODE: Veronica
- Resident Evil 4
- Resident Evil 5
- Light Gun Games
- Outbreak Series
- Portable Games
- Resident Evil: Revelations
- Resident Evil: Portable
- Resident Evil: Confidential Report
- Resident Evil: Genesis
- Resident Evil: Uprising
- Resident Evil: Deadly Silence
- Resident Evil: Zombie Buster
- Resident Evil: The Missions
- Biohazard: The Stories
- Biohazard: The Episodes
- Biohazard: The Operations
- Biohazard: Survival Door
- Biohazard: Zombie Shooter
- Resident Evil: Gaiden
- Resident Evil: Degeneration (Mobile)
- Resident Evil: Assault The Nightmare
- Biohazard i-Survivor
- Bioweapons/Creatures
- Locations
- Organizations
- Profiles
- Files
- Supplemental Material