Oque voces acham do meu Creeper,

<meta charset="UTF-8">

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

<script>

    var tela = document.querySelector('canvas');
    var pincel = tela.getContext('2d');

    pincel.fillStyle = 'darkgreen';
    pincel.fillRect(0, 0, 350, 300);

    pincel.fillStyle = 'black';
    pincel.fillRect(50, 50, 90, 90);
    pincel.fillRect(210, 50, 90, 90);
    pincel.fillRect(140, 140, 70, 100);
    pincel.fillRect(100, 190, 40, 110);
    pincel.fillRect(210, 190, 40, 110);

    pincel.fillStyle = 'lightgreen';
    pincel.fillRect(0, 0, 50, 50);
    pincel.fillRect(140, 0, 160, 50);
    pincel.fillRect(300, 90, 50, 50);
    pincel.fillRect(50, 250, 50, 50);
    pincel.fillRect(0, 140, 50, 110);
    pincel.fillRect(210, 140, 90, 50);
    pincel.fillRect(300, 190, 50, 55);

    pincel.fillStyle = 'green';
    pincel.fillRect(250, 0, 50, 50);
    pincel.fillRect(50, 140, 90, 50);
    pincel.fillRect(300, 140, 50, 50);
    pincel.fillRect(250, 245, 50, 55);

</script>