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Cover of Another World Series -Slit Mouth Woman VS AOONI-

Another World Series -Slit Mouth Woman VS AOONI-

by Regista

Legendary modern-day ghost “Slit Mouth Woman” vs. legendary horror game “AOONI”!

Nintendo Switch · Released May 29, 2025

+ I own it

Age rating content: Blood, Violence.

Languages: Japanese, English

Screenshots

About this game

The first in the “Another World Series”, in which the protagonist solves a mystery while moving between different worlds. 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 An enigmatic girl who is always smiling and aloof. ■Controls A button: Examine X button: Use selected item Y button: Crouch L button, R button: Select item ZL button, ZR buttons: Look back + button: Open pause screen

Prices by country

Cheapest today: 🇵🇱 Poland, COL$10,017 (−75%, sale ends Nov 13, 2026). Lowest price since October 2026, when we started tracking it.

CountryPrice
Poland On sale until Nov 13, 2026 -75% COL$40,067 COL$10,017
Japan On sale until Nov 11, 2026 -75% COL$40,450 COL$10,113
Australia On sale until Nov 13, 2026 -75% COL$41,131 COL$10,266
South Africa On sale until Nov 13, 2026 -75% COL$42,985 COL$10,746
Sweden On sale until Nov 13, 2026 -75% COL$43,993 COL$10,915
Denmark On sale until Nov 13, 2026 -75% COL$44,113 COL$10,937
Austria On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Belgium On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Bulgaria On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Cyprus On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Germany On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Estonia On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Spain On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Finland On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
France On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Greece On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Croatia On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Hungary On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Ireland On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Italy On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Lithuania On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Luxembourg On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Latvia On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Malta On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Netherlands On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Portugal On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Romania On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Slovenia On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
Slovakia On sale until Nov 13, 2026 -75% COL$43,927 COL$10,973
United States On sale until Nov 7, 2026 -75% COL$44,640 COL$11,136
Czechia On sale until Nov 13, 2026 -75% COL$45,325 COL$11,331
Norway On sale until Nov 13, 2026 -75% COL$46,303 COL$11,489
Canada On sale until Nov 7, 2026 -75% COL$46,590 COL$11,636
Mexico On sale until Nov 7, 2026 -75% COL$46,915 COL$11,728
United Kingdom On sale until Nov 13, 2026 -75% COL$47,447 COL$11,851
Switzerland On sale until Nov 13, 2026 -75% COL$47,891 COL$11,953

Click a country to see how to buy there; new to buying abroad? Here is how it works. Prices are as each eShop lists them: VAT included where the eShop includes it, US prices before sales tax, and for Canada we add the 5% federal tax Nintendo leaves out · fetched up to 2026-11-06 02:39 UTC · not sold in 5 countries.

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