A location-based adventure game that can be played with scenario files distributed by volunteers. * If you play in desktop mode, you can play without going to the site.
Anyone can create a scenario (zip format) for this app by using the windows and mac compatible software "Cutulph Myth AR Scenario Maker".
Sample scenarios, instructions, scenario makers
http://brainmixer.net/CoCAR/index.html
You can download it from.

This work is a derivative work of "Cthulhu Myth TRPG" owned by "Arclight Co., Ltd." and "KADOKAWA Co., Ltd."

Call of Cthulhu is copyright © 1981, 2015, 2019 by Chaosium Inc.; all rights reserved. Arranged by Arclight Inc.
Call of Cthulhu is a registered trademark of Chaosium Inc.
PUBLISHED BY KADOKAWA CORPORATION "Cthulhu Mythos TRPG"


① Press the "Get scenario from posting site" button → ② From the scenario posting site, tap the file name (~~ .zip) of the scenario you want to play to download.
③ You can select the downloaded scenario in "Scenario selection", so tap the scenario name → ④ If an explorer is created, the "Start game" button will appear, so press it.

It is a flow.
For details, see the manual that can be seen from the title screen.

Q. The app does not open (Android)
A. Similar problems have been confirmed on some models. It may be improved by selecting "Settings"-> "Apps"-> "Apps"-> "Cthulhu Myth AR"-> "Clear Data" from the initial screen of the smartphone.