Mononinja is an action-adventure game that follows players in their quest towards defeating dangerous enemies while avoiding obstacles, making precise jumps through various levels filled with fun and challenges. Players usually start by choosing from different ninja types (e.g., Ninja Master) or selecting the mode of play: solo vs. team battles to progress faster on difficult missions; single-player campaigns for a more personal experience without group distractions.
The game offers multiple endings, allowing players who succeed in their mission(s), and those that fail with minimal consequences. Mononinja is known as one way you can find out if your skills are up-to-date or not.