here have a dino game
yoinked from Chromium
here i deployed it on netlify for you to use if that is easier for you to use
https://herehaveadinogame.netlify.app/
run this to open:
javascript:((function()%7Bvar a,b,c;c="https://herehaveadinogame.netlify.app/",b=document.createElement("iframe"),b.setAttribute("src",c),b.setAttribute("id","javascriptclose"),b.setAttribute("style","position: fixed; z-index: 999999; width: 1333px; height: 300px; right: 10px; top: 10px; border: 5px solid #00FFFF;%20overflow:%20hidden;%20background-color:%20#fff;%22),a=document.getElementsByTagName(%22body%22)%5B0%5D,a.appendChild(b)%7D)).call(this)
run this to close:
javascript:var element = document.getElementById("javascriptclose"); element.parentNode.removeChild(element);