Frequently Asked Questions

[Posted： 2025/04/17]

[Update：2025/08/22]

Service Usage

What do I need to play the games?

You can play the games on a smartphone (iPhone/Android) or a PC.

What is the pricing structure?

The games available on this site are free to play.

However, some upcoming mobile apps may be paid.

Paid apps will be available for purchase through Apple App Store and Google Play Store after accessing them from the "Otherworld Collection" website.

You can confirm whether an app is free or paid before downloading.

The game is not working properly.

If this website has undergone maintenance to fix bugs, you may need to reload the page.

If the issue persists, please report it via the following form: "Otherworld Collection" Bug Report Form.

Can I access the service from outside Japan?

Yes, the service is available internationally. The supported languages are Japanese and English.

I got stuck while solving a puzzle. Are there any hints?

For "Hyakki Escape", you can access hints via the "Escape Guide" on the game's information page.

However, using the "Escape Guide" requires Spirit Coin (site currency).

What should I do if I find a bug or glitch?

Please report it through the following form: "Otherworld Collection" Bug Report Form.

Support

How can I contact support?

You can reach support through this link.

Who operates this service?

The service is operated by WUAH Inc..