Sure! Here's an example of a simplified open-world military game, implemented as a single HTML file using JavaScript and enclosed in script tags. Please note that this is a basic game meant for demonstration purposes only, and not a fully-fledged game experience. You can open the HTML file in a web browser to play the game.
🎮
In this implementation, you control a character represented by the pictogram "
👨✈️" (a pilot). The character starts at the top left corner of the game area. You can use the arrow keys on a smartphone to move the character around the game world. The current position of the character is stored in the `playerPosition` variable, and the game state is updated accordingly on each movement.
Please note that this is a minimalistic example to demonstrate the use of HTML, JavaScript, and pictograms in creating a simple open-world military game. For a complete and immersive game, further development and additional features would be required.