▁January ▁ 1 , ▁ 2 0 1 6 ▁to ▁February ▁ 1 2 , ▁ 2 0 1 6 . ▁▁▁ ▁At ▁the ▁last ▁episode ▁of ▁the ▁first ▁season , ▁the ▁winner ▁was ▁given ▁the ▁option ▁to ▁choose ▁between ▁taking ▁the ▁prize ▁and ▁end ▁of ▁story ▁OR ▁continue ▁compet ing ▁and ▁stand ▁to ▁win ▁double ▁the ▁reward ▁prize ▁should ▁he / she ▁emer ge ▁as ▁the ▁winner . ▁▁ ▁The ▁winner ▁opt ed ▁for ▁a ▁continu ation ▁and ▁it ▁kick ▁started ▁the ▁second ▁season . ▁Un like ▁the ▁first ▁season ▁of ▁compet ing ▁alone ▁as ▁an ▁individual , ▁it ▁is ▁now ▁a ▁team ▁match . ▁Each ▁team ▁is ▁made ▁up ▁of ▁ 2 ▁people . ▁Similar ▁to ▁the ▁format ▁of ▁first ▁season , ▁the ▁Code ▁consisted ▁of ▁the ▁Main ▁Code ▁and ▁Last ▁Code . ▁The ▁first ▁two ▁team ▁to ▁complete ▁the ▁Main ▁Code ▁will ▁move ▁on ▁to ▁the ▁next ▁round ▁and ▁the ▁remaining ▁teams ▁will ▁battle ▁it ▁out . ▁The ▁second ▁season ▁a ired ▁between ▁February ▁ 1 2 , ▁ 2 0 1 6 ▁to ▁March ▁ 2 5 , ▁ 2 0 1 6 . ▁ ▁Season ▁ 1 ▁ ▁Cont est ants ▁ ▁Kim ▁He ech ul ▁( sing er ) ▁ ▁Ba ek ▁S ung - hy un ▁( actor ) ▁ ▁Se o ▁Yu - ri ▁( tele vision ▁person ality , ▁voice ▁actress ) ▁ ▁Shin ▁J ae - py ung ▁( sing er ) ▁ ▁Oh ▁Hy un - min ▁( tele vision ▁person ality