The few Alyx mods that aren’t available through Steam Workshop will usually include their own instructions on how to install and use them, so you can follow each of those mod’s directly. However, the vast majority of Alyx mods are now released and available through Steam Workshop, so that’s the process we’ll be explaining here. If you’re interested in how to find, download and install custom maps and mods for Half-Life: Alyx, via Steam Workshop or otherwise, we’ve got you covered.īefore Valve launched official support for custom Alyx content and added Steam Workshop support, many custom maps required manual downloading and launching. Half-Life: Alyx released in March 2020, and ever since then there’s been a pretty active modding scene for the game.