Tenchu is a stealth-based action video game series developed by Acquire and published by Sony Computer Entertainment. The first game, released in 1998 for the PlayStation, follows the story of two ninjas, Rikimaru and Ayame, as they complete various missions in feudal Japan. Players must use stealth tactics to navigate levels, avoid detection, and eliminate enemies. The gameplay emphasizes strategy and planning, allowing players to choose different approaches to missions. The series is known for its intricate level design and the ability to interact with the environment. Over the years, Tenchu has spawned several sequels and spin-offs, maintaining a dedicated fan base.