Ramba uchiverenga ndima iyi - Kutanga muna 1170, hurumende yeGoryeo yaitongwa nemhuri dzine simba dzakabva kumhuri dzevarwi, zvikurukuru mhuri yeChoe, muhurumende yechiuto yakafanana ne"shogunate". Mukati mokutonga kwechiuto, Goryeo yakadzivisa kupinda kweUmambo hweMongolia
Kwemakore anoda kusvika 30, kutozosvikira musoro waitonga wemhuri yeChoe wapondwa muna 1258 nevadzivisi vari mudare, pashure pacho simba rakadzorerwa kuumambo uye rugare rwakaitwa navaMongol; zvisinei, kurwira simba kwakapfuurira mudare uye kutonga kwechiuto hakuna kupera kutozosvikira 1270. Kubva panguva iyoyo zvichienda mberi, Goryeo yakava "nyika yomukwasha" yakazvimiririra yeMongol-inotungamirirwa neYuan dynasty kuburikidza nekuroorana kweumambo uye ukama hweropa. Rusununguko rwakawanikwazve panguva yokutonga kwaGongmin pakati pezana remakore rechi14, uye pashure pacho maGeneral Choe Yeong naYi Seong-gye vakakwira mukurumbira nekukunda mauto eRed Turban aibva kuchamhembe uye maWoku kubva kumaodzanyemba. Muna 1388, Yi Seong-gye akatumwa kuzopinda muumambo hweMing paLiaodong, asi akachinja mauto ake uye akakunda Choe Yeong mu "coup d'état"; muna 1392, akatsiva Goryeo nenyika itsva yeJoseon, achigumisa makore 474 ekutonga kweGoryeo muKorea Peninsula.