Play 青鬼オンライン on PC Play 青鬼オンライン on PC and Mac

About the Game

With over 13 million downloads accumulated since its release, Ao Oni Online has established itself as one of the most popular multiplayer survival experiences available on mobile. Developed by LiTMUS Co., Ltd., the game places players in closed environments where they must avoid terrifying blue demons while competing against or cooperating with other real players. The premise sounds simple, but the execution layers in enough variety, customization, and competitive structure to give the game lasting appeal well beyond a few casual sessions.
At the heart of the experience is the 100-person survival mode, which remains the game's most iconic offering. One hundred players enter a sealed space together, and blue demons hunt them relentlessly. There are no teammates in this mode, no safety nets, and no second chances. The goal is singular: be the last human standing and escape. Every match is a shifting puzzle of movement, timing, and reading the behavior of both the demons and the other players around you. As the number of survivors dwindles, tension ramps up sharply, and those final moments before the last person escapes are some of the most gripping in any mobile game of this type.
Beyond the main mode, Ao Oni Online provides a range of alternative ways to play:
Blue Escape V mode shifts the focus from competition to cooperation, asking all players to work together toward a shared survival goal rather than fighting over who escapes last.
Seven Days Trial mode offers a series of exceptionally demanding stages designed to push even experienced players to their limits, providing a meaningful progression challenge outside of ranked play.
Various blue demon types appear depending on the map and mode, including unusually fast demons that punish hesitation and massive giant demons that require entirely different evasion strategies.
Multiple map environments ensure that strategies cannot be recycled wholesale from one session to the next.
The customization system is one of the game's strongest secondary draws. Players have access to thousands of skins covering a wide range of visual styles, and among those skins are super rare variants that can actually evolve into more elaborate forms through in-game progression. Collectible pets can also accompany players into matches, adding a personal touch to every run. For players who enjoy chasing cosmetics and showing off in lobbies, the sheer volume of available options gives plenty of long-term goals to work toward.
Competitive players have a dedicated structure to engage with through the season rank system. Rankings are divided by weekly periods, meaning the competitive slate resets regularly and gives every player a fresh opportunity to climb. Reaching the top tiers of the rankings rewards players with exclusive skins and auras that cannot be obtained anywhere else, making high-rank finishes genuinely meaningful rather than just symbolic.
Running Ao Oni Online on PC through MuMuPlayer enhances the experience in practical ways. The expanded screen real estate makes reading fast-moving demon behavior across large maps significantly easier, and the ability to use keyboard and mouse input adds a layer of precision that touchscreen controls cannot easily match. MuMuPlayer's stable performance keeps frame rates consistent during the most chaotic rounds, which is exactly when dropped inputs or stuttering would be most costly. Whether the goal is reaching the top of the season rankings, clearing the hardest trial stages, or simply enjoying the game with maximum visual clarity, MuMuPlayer gives Ao Oni Online players a setup that works reliably every time.