If you are encountering a "missing DLL" error when trying to play Resident Evil 6, follow these steps: Verify Integrity of Game Files : This is the most reliable fix for legitimate Steam users. Steam Library and right-click on Resident Evil 6 Properties Installed Files Local Files
I can provide a more tailored fix if you can share those details! Web API Overview (Steamworks Documentation) steam-api.dll for resident evil 6