ɡˈeɪm ʃˈædoʊ aɪdˈɛntᵻfˌaɪz ðə pɹˈɑːdʌkt vˈɜːʒən ʌv səpˈoːɹɾᵻd ɡˈeɪmz ɪnstˈɔːld ˌɔn ɐ jˈuːzɚz pˌiːsˈiː, ðˈɛn kəmpˈɛɹz ðˌɛm tʊ ɪts dˈeɪɾəbˌeɪs tə loʊkˈeɪt ˈʌpdeɪts fɔːɹ ðoʊz ɡˈeɪmz.
GameShadow identifies the product version of supported games installed on a user's PC, then compares them to its database to locate updates for those games.