Connect your phone to your PC via USB in mode.
Copy the entire valve folder from your PC into the xash folder on your phone.
What are you planning to run the game on (Android, a low-spec PC, or a single-board computer)?
Tap on and select the xash folder you created.
Downloading and setting up Half-Life: Opposing Force on Xash3D is the best way to preserve this piece of gaming history. Whether you’re a veteran returning to the HECU ranks or a newcomer curious about the "other side" of the Black Mesa incident, Xash3D provides a stable, modern, and portable way to play.
