Half-Life 1 guide
One guide for Half-Life 1, Blue Shift, Opposing Force and Half-Life: Source. Choose your edition and explore setup, menu settings and gameplay previews.
One Half-Life 1 collection
Supported games: Half-Life 1, Half-Life: Blue Shift, Half-Life: Opposing Force and Half-Life: Source. All four share this product page, feature library and setup guide. Choose your installed edition from Game version for its matching files and settings.
Use this shared guide for all four editions and select the matching title in the loader. Keep the game-specific files and settings for the selected edition.
Requirements →
Check the game edition, renderer and current package status.
Getting started →
Choose Source Games, Half-Life 1 and your installed edition.
Menu settings →
Customize visuals, materials, language, hotkeys and profiles.
Troubleshooting →
Resolve edition mismatches, unavailable controls and missing assets.
In-game previews
Captured in original Half-Life on Windows. Select a screenshot to view it at full size.