Source EngineMods
Source Engine
Source Engine 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.
1,445 mods · newest update 29 Aug 2026
- mpa61by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- Combine Assaultby SGT_kick_ur_assMaps / Example Mapsupdated 6 y ago
- Spawning NPCs Example Mapby SGT_kick_ur_assMaps / Example Mapsupdated 6 y ago
- Moving Camera Exampleby SGT_kick_ur_assMaps / Example Mapsupdated 6 y ago
- Ladder Example Mapby SGT_kick_ur_assMaps / Example Mapsupdated 6 y ago
- mpa59by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa58by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa57by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa56by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa55by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- spaceshipsby ULF-RagnarockModding Resources / Inputs & Functionalsupdated 18 y ago
- mpa54by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa53by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa52by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa51by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa50by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa49by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa48by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa47by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- hp_dev_testby KangarouxMaps / Developer & Test Mapsupdated 7 y ago
- Heaper Prefab Setby A1 BasslineModding Resources / Buildings & Structuresupdated 6 y ago
- Small Buildingby ChraziniModding Resources / Buildings & Structuresupdated 7 y ago
- mpa46by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa45by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- gastank_explosiveby WaterWarModding Resources / Traps & Trickeryupdated 6 y ago
- mpa44by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa43by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa41by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa40by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa38by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa37by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa36by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa35by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- Mario Blue Skyboxby -tWo-Modding Resources / Skyboxesupdated 5 y ago
- Houndeye NPCby SilverlanModding Resources / NPCs & Scripted Sequencesupdated 7 y ago
- mpa30by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa29by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- Project Valkyrieby [NATO]HunterStandalone Modsupdated 5 y ago
- mpa28by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa27by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa25by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- mpa24by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- Extreme Highres06 Skyby T-R-O-NModding Resources / Skyboxesupdated 5 y ago
- Extreme Highres05 Skyby T-R-O-NModding Resources / Skyboxesupdated 5 y ago
- Silent Hill stylish fogby killer89Modding Resources / Lights & Enviromentalsupdated 7 y ago
- mpa23by KaratekaeferModding Resources / Skyboxesupdated 5 y ago
- Extreme Highres04 Skyby T-R-O-NModding Resources / Skyboxesupdated 5 y ago
- Extreme Highres03 Skyby T-R-O-NModding Resources / Skyboxesupdated 5 y ago
1.4k 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.