欧卡中文网 is a Chinese-language resource site dedicated to providing free mod downloads for players of Euro Truck Simulator 2. Its content is organized to help users browse by category, including trucks, buses, passenger cars, trailers, maps, and other mods and accessories. The site publishes downloads alongside descriptions of features, supported game versions, installation requirements, and update notes, helping players assess compatibility before adding content to their game.

Its catalogue ranges from vehicle models and custom interiors to engine sounds, wheels, lighting, trailers, and cabin accessories. Map offerings include regional expansions and large-scale projects, some of which require specific map downloadable content or separate installation. The site also shares version guides, tutorials, practical tools, and information about the game itself, including references to save editors and version resources. New and updated listings cover a variety of ETS2 releases, with compatibility details noted where available. Players can also submit contributions, making the site a community-oriented hub for discovering and sharing content that expands the game’s vehicles, routes, and customization options.