AOONI Nightmare on Roblox: Player Count, Updates & What to Know

AOONI Nightmare brings the Japanese horror series Ao Oni — the one built around a lumbering blue monster — onto Roblox as a cooperative survival game. You and your classmates are trapped inside a nightmare version of a school, and the only way out is to get through its “classes” together while the creature prowls the halls. Survival leans on teamwork: you are meant to coordinate with the other players rather than try to escape on your own.

Built by AOONI PROJECT, the experience has drawn more than about 130,000,000 visits and over about 220,000 favorites, with roughly about 12,000 people in it right now. It is still officially in beta, and new content has kept arriving across that run. This page covers what the game is, how it plays, and what has been added, and we keep it current as things change. Last updated October 23.

AOONI Nightmare does not have anything on its Roblox events calendar yet, so there are no scheduled in-game events to look forward to at the moment.

Play AOONI Nightmare on Roblox ↗

No scheduled events right now — check back soon.

Roblox and the games named here are trademarks of their respective owners. AllThingsHow is not affiliated with or endorsed by Roblox Corporation or the game developers.

What you do in AOONI Nightmare

The setup is a horror escape. Your ordinary school day turns into a nightmare, a blue monster shows up, and you cannot leave until you finish the school’s “classes.” Clearing those objectives is the path out, and you tackle them alongside other players. The developers flag the game as containing mild horror, and the whole thing is designed to be played cooperatively — surviving together is the point, not a solo dash for the exit.

Become Aooni mode and the Underground Stage

Beyond the core survival run, AOONI Nightmare has added a “Become Aooni” mode that flips the usual roles and lets a player take control of the blue monster in player-versus-player matches. It has grown into several variants — the Spider, Squatto and Fuwatty versions each put a different spin on playing as the creature. The game has also opened up an Underground Stage, widening where a round can take place. These additions have landed over the course of the beta rather than all at once.

Controls and recommended settings

Movement is straightforward: hold Shift to sprint when the monster is closing in, and press Space to jump. For the best experience the developers suggest turning graphics up to the maximum setting and playing with headphones, since audio cues do a lot of the work in a horror game like this. Because it is still in beta, expect the occasional rough edge, including machine-translated text that is still being refined.

Frequently asked questions

What is AOONI Nightmare?

It is a cooperative horror game on Roblox based on the Ao Oni series, in which players are trapped in a nightmare school and have to complete its “classes” to escape while a blue monster hunts them. It is made by AOONI PROJECT and is currently in beta.

How many players does AOONI Nightmare have?

About about 12,000 players are in the game right now. Over its lifetime it has passed about 130,000,000 visits and been favorited more than about 220,000 times.

What are the Become Aooni modes?

Become Aooni is a player-versus-player mode that lets you play as the blue monster instead of trying to survive it. It comes in several flavors, including the Spider, Squatto and Fuwatty versions, each with its own take on controlling the creature.

Does AOONI Nightmare have scheduled events yet?

Not at the moment — there are no in-game events on its Roblox calendar right now. The game is still in beta, though, and the developers have kept adding new modes and areas, so that could change. We update this page when it does.