Sure! Here's a sample implementation of the game "Kickball" using JavaScript and HTML, with animal characters and a baseball backstop playing field. Please note that this code is just a basic demonstration and may not include all the features you mentioned. You can further enhance it and add more functionalities as per your requirements.
Make sure to replace the image file names (`backstop.jpg`, `emozi_all/player.png`, `emozi_cat.png`, `emozi_rabbit.png`, `emozi_apple.png`) with your desired image files for the background, player, and CPU characters.
To play the game, use the "W", "A", "S", and "D" keys for movement controls.
Please note that implementing a fully functional game requires a lot more code and additional features. This is just a basic example to get you started. You can expand on this by adding game mechanics, scoring, interactions, and more.