Half-Life: Source
Half-Life: Source mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
161 mods · newest update 2 Sep 2026
- dms_fog_islandby mama0Maps / Deathmatchupdated 19 y ago
- war_2by mama0Maps / Deathmatchupdated 19 y ago
- coop_meseumby mama0Maps / Deathmatchupdated 19 y ago
- fort fragsby sir_fragsMaps / Deathmatchupdated 19 y ago
- break room ratsby sir_fragsMaps / Deathmatchupdated 20 y ago
- waste_hl1by sir_fragsMaps / Deathmatchupdated 20 y ago
- war_of_hldmsby mama0Maps / Deathmatchupdated 20 y ago
- speedy_trackby mama0Maps / Deathmatchupdated 20 y ago
- aloneby mama0Maps / Deathmatchupdated 20 y ago
- unused game content from hlsby Dosia36Maps / Other/Miscupdated 19 y ago
- dms_street_1988by mama0Maps / Deathmatchupdated 20 y ago
- mario_kart-mario_farty_castleby mama0Maps / Deathmatchupdated 20 y ago
- lava_caveby mama0Maps / Deathmatchupdated 20 y ago
- lol-danger-funby mama0Maps / Deathmatchupdated 20 y ago
- hl_meseumby mama0Maps / Deathmatchupdated 20 y ago
- kakoram_valleyby mama0Maps / Deathmatchupdated 20 y ago
- Barney in Apprehension (Source)Mapsupdated 2 mo ago
161 mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.