Tell me which one — I’ll then either (A) summarize safety/legitimacy and provide download guidance, or (B) search for official sources and a short review. If you want a direct download link, confirm you accept guidance about verifying files (checksums, virus scans).
Many PC games from the early 2000s to mid-2010s (especially those using proprietary engines like RenderWare, Gamebryo, or early Unity builds) stored all game assets in .arc files. For example: common.arc 2 download