Web Client
Since ODIN is fully cross-platform, you can use the ODIN web client to connect users in a browser to your game or app, be it based Unreal, Unity or anything else that integrates our ODIN SDK. This is useful for many scenarios (see the Use Cases Guide), and it is also a very practical tool during development.
For testing purposes, you can use the following Test Web App: https://4players.app/. Configure the client to use the same access key that you already set up in Unreal. Click the Settings icon in the center, then switch to Development Settings. You should see a configuration dialog similar to this:
Connecting an existing app or game
Enter the access key you created and saved earlier and make sure the gateway is identical to the one used in your app or game (gateway.odin.4players.io, do not prefix with https:// in the Test Web App). The Test Web App will now use the same access key and gateway as your project, allowing both platforms to connect to the same ODIN room.
In the connection dialog, set the same room name that you used in your project (for example RoomName) and provide any display name. Do not enter a password. Then click Join Room.
Using the web client standalone
Create an access key here and save it:
Click on the button to create an access key that you can use for free for up to 25 concurrent users.
Enter your access key for each client or browser tab/window, so they can talk to each other.