Snake game. Control is supported through both keyboard and smartphone touchscreen. Control the snake using the arrow keys ↑→↓←, and adjust the snake's speed with the +/-keys. On a smartphone, control the snake by tapping the sides of the screen. The game is built using JavaScript, CSS3, and HTML5. JavaScript Keywords: modules, requestAnimationFrame, Async programming and LocalStorage. CSS Keywords: CSS Grid layout, CSS Flexbox, Media queries, Mobile first approach, CSS variables.