Hokuto no Ken

In the year 199X, the world was covered by nuclear flames... The road to challenge Ken-oh, the Conqueror of Century's End, will be a long one. Standing before Kenshiro's path are Heart, the homicidal maniac; Shin, the man of Nanto Sei Ken; Jagi, Kenshiro's evil stepbrother; and Souther, the strongest warrior within Nanto Sei Ken. To defeat the Ken-oh, Raoh, Kenshiro attain the secret principles of Hokuto Shin Ken.

Résumé

Hokuto no Ken for the Family Computer (Famicom for short) is a side-scrolling action video game published by Toei Animation and developed by Shouei Systems. It was released on August 10, 1986 exclusively in Japan and was the first of four Hokuto no Ken video games released for the Famicom. While it features gameplay similar to Sega's earlier Mark III version of Hokuto no Ken, it is an unrelated game made by a different developer.