Play Human Weapon (v2.0): Ningen Heiki [Starry Sky Translation] (JP) [ACT] Online Free

Human Weapon (Ningen Heiki), known as 'Code Name: Viper' in the West, is a high-octane action platformer. Players control a special forces operative tasked with dismantling a global drug cartel and rescuing kidnapped agents. This v2.0 Chinese translation by Starry Sky improves the script and gameplay clarity. The game is famous for its tactical cover mechanics, diverse weapon pickups, and intense boss fights. If you enjoy games like Rolling Thunder or Contra, this refined version offers a premium 8-bit action experience.