Nine Night is an indie hardcore action-adventure game designed for iPhone users, where players step into the shoes of the killer Ci Lang. As a hunted prey of the Jizo Organization, players navigate a crisis-ridden world filled with fierce and bizarre enemies. The game emphasizes strategic combat, requiring players to develop new skills and tactics to survive and uncover the truth behind their predicament.

The gameplay features a variety of attack methods tailored to different enemy types, such as effective leg strikes and jumping attacks. Players can upgrade combat moves, enhance skills, and acquire weapons using earned rewards. With a strong force system and numerous possible attack combinations, Nine Night encourages creative gameplay as players face increasingly challenging foes while seeking revenge.