Geometry Dash Online You know that a game has to be good if it has earned its own Wikipedia page. And no, Geometry Dash Online isn't a math game. While it. Dash Dash at Cool Math Games: Help Dash Dash and his friends race through each level. Memorize each course, collect coins and buy the upgrades you need. There's an endless stream of customers and we have to serve them for as long as we can! Drag each coming group to a table and click to take orders, give.