Hello, I just finished writing a small tutorial on how to apply grayscale to an image without using WebGL, and without re-creating all your assets as black&white to show unavailable/disabled/locked modes. You can find it here: http://nightlycoding.com/index.php/2015/08/phaser-io-how-to-apply-a-grayscale-filter-tip/ If you only want the code and a quick example check out this codepen: http://codepen.io/netgfx/full/KpgLmV/ Let me know if you liked this technique!