Another World Series -Slit Mouth Woman VS AOONI-
Legendary modern monsters vs. legendary horror games! This is a 3D horror action adventure game where you must escape from an abandoned hospital without being found by the Slit Mouth Woman who lives in another world and AOONI who lives in the real world.
Last Updated: 6/12/2025
| Steam Price | $13.49 |
| Release Date | 6/11/2025 |
| Developer | YMCAT/Regista |
| Publisher | Regista |
| Steam App Id | 3586070 |
Another World Series -Slit Mouth Woman VS AOONI-
Legendary modern monsters vs. legendary horror games! This is a 3D horror action adventure game where you must escape from an abandoned hospital without being found by the Slit Mouth Woman who lives in another world and AOONI who lives in the real world.
Last Updated: 6/12/2025
- Windows
- Mac
- Linux
About Another World Series -Slit Mouth Woman VS AOONI-
Another World Series -Slit Mouth Woman VS AOONI- is an Action, and Adventure game developed by YMCAT/Regista. On 6/11/2025, it was released on the Steam Store by Regista.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Another World Series -Slit Mouth Woman VS AOONI- supports the following features:
- Steam Achievements
- Full controller support
- Single-player
- Family Sharing
From the Steam community, Another World Series -Slit Mouth Woman VS AOONI- has been tagged with the following user tags:
- Survival Horror
- 3D Platformer
- Multiple Endings
- Story Rich
- Surreal
- 3D
- Puzzle
- Psychedelic
- First-Person
- Stealth
- Conversation
- Action-Adventure
- FPS
- Horror
- Choose Your Own Adventure
- 3D Vision
- Survival
- Adventure
- Singleplayer
Media & Sceenshots
Watch the featured video for Another World Series -Slit Mouth Woman VS AOONI- and see the latest screenshots from the Steam Store.
Related Packages
Another World Series -Slit Mouth Woman VS AOONI- is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Another World Series -Slit Mouth Woman VS AOONI- | $13.49 | View |
Supported Languages and Localizations
Another World Series -Slit Mouth Woman VS AOONI- is available in 2 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Japanese | Yes | Yes | Yes |
Discover Similar Games
Find a new game to play just like Another World Series -Slit Mouth Woman VS AOONI- through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Another World Series -Slit Mouth Woman VS AOONI-.
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Another World Series -Slit Mouth Woman VS AOONI- data has been sourced from:
- Valve Corporation. (2025, June 12). Another World Series -Slit Mouth Woman VS AOONI- on Steam. Steam Store.
- Valve Corporation. (2025, June 12). Another World Series -Slit Mouth Woman VS AOONI-. Steam Community Hub.