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
- Ice Mountainby Logan DougallModding Resources / Skyboxesupdated 5 y ago
- strogg style doorsby CraminatorModding Resources / Doors & Windowsupdated 6 y ago
- Two lane bridgeby Colt_Modding Resources / Bridgesupdated 18 y ago
- combine monitorby TomizModding Resources / Combineupdated 7 y ago
- Prop door rotating example mapby robinModding Resources / Doors & Windowsupdated 7 y ago
- Stair_Tunnelby robinModding Resources / Bridgesupdated 18 y ago
- Episode 2 houseby RougleadModding Resources / Buildings & Structuresupdated 7 y ago
- Offline Studios Pipetowerby DeadmonkeyModding Resources / Buildings & Structuresupdated 18 y ago
- Offline Studios Thumber.by DeadmonkeyModding Resources / Combineupdated 7 y ago
- Offline Studios CombineBunkerby DeadmonkeyModding Resources / Combineupdated 6 y ago
- A Working Ladderby robinModding Resources / Ladders, Stairs & Elevatoupdated 7 y ago
- Hanging-Lightby robinModding Resources / Lights & Enviromentalsupdated 7 y ago
- Gas Trapby robinModding Resources / Traps & Trickeryupdated 6 y ago
- Combine Ball Spawnerby robinModding Resources / Combineupdated 7 y ago
- Opening a Door with a Buttonby robinModding Resources / Doors & Windowsupdated 7 y ago
- Floating Weaponsby robinModding Resources / Weapons & Itemsupdated 7 y ago
- Sandy Stairsby robinModding Resources / Ladders, Stairs & Elevatoupdated 7 y ago
- Small Dungeonby robinModding Resources / Buildings & Structuresupdated 14 y ago
- Machine Gunby WowzorzModding Resources / Weapons & Itemsupdated 7 y ago
- Rock 24 1.0by [NATO]HunterStandalone Modsupdated 5 y ago
- Dev_windmillby MistoModding Resources / Buildings & Structuresupdated 6 y ago
- SceneSETUPby GradymannModding Resources / NPCs & Scripted Sequencesupdated 6 y ago
- Large Bridgeby SoctomModding Resources / Bridgesupdated 18 y ago
- camera and monitorby HxC BrockModding Resources / Inputs & Functionals
- Radioactive Atmosphereby XblahModding Resources / Lights & Enviromentalsupdated 7 y ago
- Trap propeller v1by RoXModding Resources / Traps & Trickeryupdated 6 y ago
- ZombieStressby s1nk0Standalone Modsupdated 5 y ago
- Combine Lock V2by XblahModding Resources / Combineupdated 7 y ago
- Mortarby TurninModding Resources / Weapons & Itemsupdated 7 y ago
- Headcrab Burrow Inby XblahModding Resources / NPCs & Scripted Sequencesupdated 6 y ago
- Headcrab Burrow Outby XblahModding Resources / NPCs & Scripted Sequencesupdated 6 y ago
- Offline Studios Dust Archby XblahModding Resources / Details & Decorumupdated 6 y ago
- Offline Studios Item Teleportby XblahModding Resources / Inputs & Functionals
- Offline Studios Shield Barrierby XblahModding Resources / Combineupdated 7 y ago
- Offline Studios Medium Bridgeby XblahModding Resources / Bridgesupdated 7 y ago
- Empire Stateby XblahModding Resources / Buildings & Structuresupdated 18 y ago
- Offline Studios Eye Scannerby XblahModding Resources / Buttons & Switchesupdated 6 y ago
- Offline Studios Craneby XblahModding Resources / Vehiclesupdated 6 y ago
- SourceRacer Installerby BigDogStandalone Modsupdated 5 y ago
- Flying Plane:Naboo StarFighterby ShortStuf7Modding Resources / Vehiclesupdated 7 y ago
- Ladderby BigDogModding Resources / Ladders, Stairs & Elevatoupdated 7 y ago
- Gas Trapby BigDogModding Resources / Traps & Trickeryupdated 6 y ago
- Telegraph Poles- row of 3by BigDogModding Resources / Details & Decorumupdated 6 y ago
- LARGE Monitor Whith Scripterdby ._:_ENEMY_:_.Modding Resources / NPCs & Scripted Sequencesupdated 6 y ago
- Player Controlled Planesby MMurray08Modding Resources / Vehiclesupdated 7 y ago
- Alphabet Letters Prefab Setby danhouser82Modding Resources / Details & Decorumupdated 6 y ago
- City 17 (2 Building Prefabs)by /-\ngel ()f |)eathModding Resources / Buildings & Structuresupdated 18 y ago
- Light Setby danhouser82Modding Resources / Lights & Enviromentalsupdated 7 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.