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
- Space Skybox Pack #2by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- mr_09by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- mr_08by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- Citadel Portalby TheGlassEmperorModding Resources / Combineupdated 7 y ago
- Space Skybox Packby Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- Railroad model - wood + railsby AlexPosModding Resources / Buildings & Structuresupdated 7 y ago
- Skybox mr_07by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- Skybox bloody-marvelous_by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- After the Storm Skybox Texturesby JasperCarmackModding Resources / Skyboxesupdated 16 mo ago
- Hazy Afternoon Skybox Texturesby JasperCarmackModding Resources / Skyboxesupdated 16 mo ago
- Skybox MR_06by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- Crank/wheel doorby BaavozModding Resources / Doors & Windowsupdated 6 y ago
- Apartment building 5 floorsby AlexPosModding Resources / Buildings & Structuresupdated 7 y ago
- Kool aid hunterby AsG_AlligatorModding Resources / NPCs & Scripted Sequencesupdated 7 y ago
- MkZk_traps_01by MkUltra-ZiegenkaeseModding Resources / Traps & Trickeryupdated 6 y ago
- Skybox MR_05by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- Skybox MR_04by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- MR_03by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- MR_02by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- MR_01by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- Overlook Hotel Texturesby Reverend V92Modding Resources / Packs & Bundlesupdated 4 y ago
- [RUS] Valve Hammer Editor 4.1+by TheLittleStellarWolfVGUI & Media / Other/Miscupdated 6 y ago
- One-way ventilationby TheLittleStellarWolfModding Resources / Buildings & Structuresupdated 6 y ago
- skybox mr1by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- Heaven Prelude Skybox Texturesby JasperCarmackModding Resources / Skyboxesupdated 16 mo ago
- mr_spaceby Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- mr_iceby Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- mr_moonby Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- mr_night_by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- HL2 Redux Arms Resourceby Old HermitModding Resources / Models & Texturesupdated 6 y ago
- sky192by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- sky191by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- Skybox Contention_by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- Skybox Darkskies_by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- sky_halloweenby Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- sky188by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- sky187by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- sky186by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- Simple apartmentby jose6454Modding Resources / Buildings & Structuresupdated 7 y ago
- sky185by Mr.WhoModding Resources / Skyboxesupdated 7 y ago
- Skybox sky_gta5by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- Brush soviet houseby PyBro2056Modding Resources / Buildings & Structuresupdated 7 y ago
- sky184by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- sky183by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- Brush version of Building03 propby PyBro2056Modding Resources / Buildings & Structuresupdated 7 y ago
- sky182by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- sky181by Mr.WhoModding Resources / Skyboxesupdated 5 y ago
- Skybox colorby Mr.WhoModding Resources / Skyboxesupdated 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.