Yes. Use Firebase or CloudDB realtime databases or possibly a Google Sheet.
The following are not games, but the examples use principles that can be used in a game.
Here is an app that uses a CloudDB to monitor your family herd How to: A Family Chat app built with the MIT CloudDB component
[bus2] How to broadcast a GPS location and share the information on a map in real time.
Two similar apps explore the basics of how to share a location using a single screen and a real time database. One app user beacons, the others monitor (view his/her) location map using the same app.
Share Your Location is a basic app to share a map of your location with others who have installed your app. The example tracks a single user who beacons his/her location. Provide separate Tags for other u…
I have made a chase app and a maze game that are multi-player. You probably can do something similar.
Here is a two person game Mountain Kingdom - a chat real time two player, two device game using the CloudDB and a Canvas . It can be adapted for more players.
Here is a Firebase based game by Hossein https://amerkashi.wordpress.com/?s=chat
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Steve