Code Name: Viper is a seminal NES action title developed by Capcom. Inspired by arcade classics like Rolling Thunder, the game follows agent Ken Avenger as he infiltrates drug cartels in South America. Across eight challenging levels, players must rescue hostages to obtain necessary passkeys and information. The gameplay focuses on precision shooting, hiding in doorways to dodge fire, and managing limited ammunition. With its cinematic presentation and tight controls, Code Name: Viper is widely considered one of the best action games on the platform.