Player Models - Valve Developer Community

Adding Prop Models - Valve Developer Community

Source Engine Features - Valve Developer Community

Valve recaps a record 2020 for Steam and looks ahead to China launch this year – GeekWire

Valve developer urges players not to mod Steam Deck to use larger M.2 drives

Applying Textures - Valve Developer Community

Custom Character Basics - Valve Developer Community

Steam Business Model

Character (shader) - Valve Developer Community

npc_citizen - Valve Developer Community

Valve is scrutinizing games with AI assets on Steam, says avoiding copyright violation 'is the developer's responsibility