Sure! Here's a simple implementation of a battle royale game using JavaScript, HTML, and pictograms. The game supports smartphone operation and players shoot each other to win:
This code sets up a canvas element where the game will be displayed. The player can be controlled using the arrow keys (up, down, left, right). The player's character is represented by a simple colored circle. This is just a basic framework, and you can add more features, such as shooting mechanics and multiple players, to make it a full-fledged battle royale game.