Steam has just received a new zombie survival game that you can download for free and keep forever, with no strings attached. The gaming platform has hundreds, if not thousands, of free-to-play games, and that number keeps increasing as new titles are released. Just a while back, a free horror game was released on Steam, boasting 10/10 reviews from its players at the time of writing.
Source: https://store.steampowered.com/news/gro ... 8927004011