: To unlock the secret "Pizza" ending, you must carry Dr. Horn's pizza box from the cafeteria in Questionable Ethics all the way to the final boss in Xen, as detailed on the Combine OverWiki . Are you running into a specific error code or
: Ensure your antivirus hasn't quarantined the Steam_api64.dll file, which is a common issue with CODEX releases. You can find troubleshooting steps for this on Reddit's r/CrackSupport . Black Mesa-CODEX
: If you encounter missing or black textures, users on Reddit suggest checking your DirectX version or updating your GPU drivers to ensure compatibility with the game's lighting engine. : To unlock the secret "Pizza" ending, you must carry Dr
: A standard playthrough takes about 15 hours , while 100% completion (including achievements) can take up to 27 hours , according to HowLongToBeat . You can find troubleshooting steps for this on
: Unlike the original Half-Life , health is sparser in later levels. Always backtrack to wall-mounted Health Chargers before moving to a new area. Quick Stats
: If a level is too difficult, use these commands in the console: god : Toggles God Mode (Invincibility). give currentammo : Refills ammo for your current weapon.
: Run the game as an Administrator to ensure it has permission to write save files to your C:\Users\[YourName]\AppData or the game installation folder. Gameplay & Survival Tips