Kammala jumla mai zuwa: Farawa a cikin 1170, gwamnatin Goryeo ta kasance a zahiri ana sarrafa ta ta jerin iyalai masu ƙarfi daga rukunin mayaƙa, musamman dangin Choe, a cikin mulkin soja mai kama da "shogunate". A lokacin mulkin soja, Goryeo ya yi tsayayya
mamayewa daga Daular Mongol na kusan shekaru 30, har sai an kashe shugaban gidan Choe a 1258 ta abokan adawar a kotu, bayan haka aka mayar da iko ga masarauta kuma an yi zaman lafiya da Mongols; duk da haka, gwagwarmayar iko ta ci gaba a kotu kuma mulkin soja bai ƙare ba har zuwa 1270. Daga wannan lokacin, Goryeo ya zama "ƙasar suruki" mai cin gashin kanta na daular Yuan da Mongol ke jagoranta ta hanyar auren sarauta da alaƙar jini. An sake samun 'yancin kai a lokacin mulkin Gongmin a tsakiyar karni na 14, kuma daga baya Janar Choe Yeong da Yi Seong-gye sun yi fice tare da cin nasara kan mamaye sojojin Red Turban daga arewa da 'yan fashin Wokou daga kudu. A cikin 1388, an aika Yi Seong-gye don mamaye daular Ming a Liaodong, amma ya juya sojojinsa kuma ya ci Choe Yeong a cikin " juyin mulki "; a cikin 1392, ya maye gurbin Goryeo da sabuwar jihar Joseon, yana kawo ƙarshen shekaru 474 na mulkin Goryeo a yankin Koriya.