3D models, Garry's Mod, video game characters, articulated joints, poseable limbs, custom skins, physics-enabled, sandbox environment, interactive props, diverse textures, high-resolution meshes, user-generated content, face posing feature, ragdoll physics, character customization, in-game workshop, variety of maps, dynamic lighting, real-time rendering, multiplayer compatible, creative modding community, Steam integration, Half-Life 2 assets, Source engine, detailed character models, prop manipulation, action poses, virtual photography, screenshot composition, ambient occlusion.