Sure, here are the steps on how to add games in XF:
1- Go to Admin > Extensions > Add-ons.
2- Click the Browse button and search for the HTML5 Games add-on.
3- Click the Install button and follow the on-screen instructions.
4- Once the add-on is installed, you will see a new Games section in the Admin menu.
5- Click the Games tab and click the Add Game button.
6- Enter the following information:
Game Title: The title of the game.
Game URL: The URL of the game.
Game Description: A brief description of the game.
Game Category: The category of the game.
7- Click the Save button.
The game will now be available to your members. They can access it by going to the Games section of your forum.