Where not to sell video games online: Facebook marketplace, Craigslist, garage sale, Gamestop trade-in.
Where to sell video games online: Ebay, Mercari & Amazon. Amazon is harder because new accounts may have restrictions for some categories & brands for new sellers i.e. popular or new titles
Main thing to focus on selling listing your video game online: Completeness (show with photos), condition of disc / cartridge and PRICE. Use http://pricecharting.com or Ebay sold listings to research price.
