Games like Half-Life 2

Games like Half-Life 2 include Black Mesa, Half-Life, Halo: The Master Chief Collection, Half-Life: Opposing Force, and BioShock Infinite. We matched them by the tags players give Half-Life 2 on Steam (FPS, Action, Sci-fi, Classic, and Singleplayer): closest matches first, and among equally close ones the better-known games.