Siyini isakhiwo se-Yu-Gi-Oh?
Context:I-Yu-Gi-Oh! isitshela indaba kaYugi Mutou, umfana omncane onamahloni othanda zonke izinhlobo zemidlalo, kodwa uvame ukuhlukunyezwa. Ngolunye usuku, uxazulula iphazili yasendulo eyaziwa ngokuthi i-Millennium Puzzle (千年パズル, Sennen Pazuru), okwenza umzimba wakhe ube nomoya ongaqondakali onobuntu bomgembuli. Kusukela ngaleso sikhathi kuqhubeke, noma nini lapho u-Yugi noma omunye wabangane bakhe esongelwa yilabo abanobumnyama ezinhliziyweni zabo, lo omunye u-Yugi uziveza futhi abaphonsele inselelo emidlalweni eyingozi ye-Shadow (闇のゲーム, Yami no Gēmu, lit. "Imidlalo Yobumnyama") eveza imvelo yangempela yenhliziyo yomuntu, abahlulekayo kule miqhudelwano bavame ukujeziswa ngesijeziso esimnyama esibizwa ngokuthi yiPenalty Game (罰ゲーム, Batsu Gēmu). Kungakhathaliseki ukuthi kudlalwa ngamakhadi, ngamadayisi, noma ngemidlalo edlalwa ebhodini, uyokwamukela inselele kunoma ubani, noma kuphi.  Njengoba uchungechunge luqhubeka, u-Yugi nabangane bakhe bathola ukuthi lo muntu ngaphakathi kwephazili yakhe empeleni ungumoya kaFaro ongenagama kusukela ezikhathini zaseGibhithe lasendulo, owayelahlekelwe izinkumbulo zakhe. Ngenkathi u-Yugi nabangane bakhe bezama ukusiza uFaro ukuthi abuye nezinkumbulo zakhe, bazithola bedlula ezilingweni eziningi njengoba bebeka izimpilo zabo babhekene nabadlali be-gamer abaphethe izinto eziyimfihlakalo zeMillennium (千年アイテム, Sennen Aitemu) namandla amnyama we-Shadow Games.
I-Yu-Gi-Oh! imayelana nomfana ogama lakhe linguYugi Mutou odlala umdlalo wamakhadi obizwa ngokuthi i-Yu-Gi-Oh! Uxazulula i-Millennium Puzzle ngakho umzimba wakhe manje usuphethe nomoya womgembuli, futhi uthatha izinselelo ezahlukahlukene ngokumelene nezitha. Ngokuvamile, inselele iwumdlalo wamakhadi we-Yu-Gi-Oh! kodwa ngezinye izikhathi kungaba imidlalo ehlukile njengamadayisi noma imidlalo yebhodi. Njengoba umbukiso uqhubeka, u-Yugi nabangane bakhe bathola ukuthi umoya empeleni unguFaro waseGibhithe lasendulo one-amnesia ngakho-ke bazama ukumsiza ukuthi abuyise izinkumbulo zakhe ngokubhekana nezinselelo ezengeziwe ezivela kubadlali be-Millennium.