Touhou Incident Idle Clicker is a free-to-play idle RPG available on Android, attracting over a million downloads worldwide. This sequel to Touhou Gensou Clicker blends elements of clicker games and idle mechanics, allowing players to engage in fast-paced battles with simple tap controls. The game features over 126 characters from the Touhou universe, along with more than 20 high-energy arranged battle tracks that enhance the gaming experience. Players can enjoy the thrill of collecting coins and diamonds, with no in-app purchases or forced ads, making it fully playable offline.

The game introduces a unique rebirth system that grants permanent power boosts, encouraging players to progress through loops that accelerate growth exponentially. With a deep upgrade system, players can enhance gear, limit break characters, and collect over 160 cards to strengthen their economy. The combination of idle mechanics and bullet-hell elements creates a dynamic environment where players can enjoy intense gameplay while watching their numbers soar.