Mi codigo para creeper

<canvas width="600" height="400"> </canvas>



<script>
    var pantalla = document.querySelector("canvas");
    var pincel = pantalla.getContext("2d");

    pincel.fillStyle = "#118104";
    pincel.fillRect(0,0,350,300);

    pincel.fillStyle = "#000000";
    pincel.fillRect(50,50,90,90);

    pincel.fillStyle = "#000000"
    pincel.fillRect(210,50,90,90);

    pincel.fillStyle = "#000000"
    pincel.fillRect(140,140,70,100);

    pincel.fillStyle = "#000000"
    pincel.fillRect(100,190,40,110);

    pincel.fillStyle = "#000000"
    pincel.fillRect(210,190,40,110)







    /* pincel.fillStyle = "yellow";
    pincel.beginPath();
    pincel.moveTo(300,200);
    pincel.lineTo(200,400);
    pincel.lineTo(400,400);
    pincel.fill(); */

/*     pincel.fillStyle ="blue";
    pincel.beginPath();
    pincel.arc(300,200,50,0,2*3.14);
    pincel.fill(); */



</script>