Another World Series -Slit Mouth Woman VS AOONI- overview

Overview

Another World Series -Slit Mouth Woman VS AOONI- comes from YMCAT/Regista and is published by Regista. It arrived on Steam on Jun 11, 2025, and it sits naturally among Single-player, Steam Achievements, Full controller support, Gamepad Recommended, and Family Sharing. SteamPulse tracks it across Windows and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Another World Series -Slit Mouth Woman VS AOONI-'s latest SteamPulse observation recorded 0 players at 22 September 2026 - 12:02:22 UTC, with a tracked peak near 5. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 40% positive across 5 reviews.

Language and system requirements

Another World Series -Slit Mouth Woman VS AOONI- is available in 2 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

Another World Series -Slit Mouth Woman VS AOONI- has no public VGI unit-sales estimate available and has recommendation data pending. Revenue data is not available for this game yet. On Twitch, 0 streamers are live with around 0 total watchers.

Another World Series -Slit Mouth Woman VS AOONI- overview details

Another World Series -Slit Mouth Woman VS AOONI- combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

The first in the “Another World Series”, in which the protagonist solves a mystery while moving between different worlds. A legendary modern ghost story vs. a legendary horror game! Solve the mystery of the abandoned hospital without bein Akashi Asanagi, a university student, wakes up on the 10th floor of an abandoned hospital. While exploring the hospital, he encounters a blue monster called “Aooni”, and when he touches the mask that Aooni dropped, the hospital transforms into an alley, where he encounters a mysterious woman wielding a kitchen knife called “Slit Mouth Woman”. Akashi is attacked by the two beings, but for some reason a battle breaks out between the Slit Mouth Woman and Aooni...? School, cemetery, house... Explore the various different worlds on each floor and use items and gimmicks to solve the mystery of the abandoned hospital. Multi-endings are unlocked depending on the results of your play, and each floor also has fully voiced event scenes. Why are the Slit Mouth Moman and Aooni fighting? Who will win? Who is Akashi himself? Conquer all 10 stages and escape from the abandoned hospital. ■Main Characters ・Akashi Asanagi A cheerful and slightly airheaded first year university student. He finds himself in an abandoned hospital. He has good reflexes. ・Ray Yuyami Despite being in the fifth grade, she has a level of thinking and knowledge that puts adults to shame. She received a letter from her older sister, who ran away from home three years ago, and came to the abandoned hospital. She is quiet, but loves the occult. ・Mumu Nissyoku A girl…

SteamPulse editorial summary

Another World Series -Slit Mouth Woman VS AOONI- is listed as a game with $17.99. It supports Windows, belongs to Single-player, Steam Achievements, Full controller support, Gamepad Recommended, and Family Sharing, and is associated with Action and Adventure. SteamPulse's latest observation records 0 players at 22 September 2026 - 12:02:22 UTC, a tracked peak of 5, and 40% positive reviews.

Content descriptors

Fear-inducing and abusive

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.