Recently released on Steam, these community-made titles are completely free to download for those who already own a copy of the original Half-Life . Half-Life Legacy acts as a restored version of the campaign with modern updates like achievements and controller support, while Half-Life Arena is a revamped standalone deathmatch experience.

While the original and Half-Life 2 are currently listed for purchase at their standard prices on Steam , several modern community projects and recent anniversary events offer free ways to experience the franchise. Current Free Half-Life Content (April 2026)

This new free-to-download mod available on ModDB lets you play through the events of the first game from the perspective of a marine.