Sure! Here's a sample implementation of the game you described using JavaScript, HTML, and pictograms:
// Global variables var ball = document.getElementById("ball"); var characters = document.getElementsByClassName("character"); var zombies = document.getElementsByClassName("zombie"); var powerUps = document.getElementsByClassName("power-up"); var level = 1; // Functions to move characters function moveCharacter(event) { var character = event.target; var key = event.keyCode; var step = 10; if (key === 37) { // Left arrow key character.style.left = parseInt(character.style.left, 10) - step + "px"; } else if (key === 39) { // Right arrow key character.style.left = parseInt(character.style.l