Spaceplan is the perfect game to leave on a browser tab at work

It’s Friday afternoon in August. Some inexplicably over productive colleague has scheduled you to join a meeting you don’t really need to be in. You need to pay attention, but if you took ten seconds here or two minutes there to zone out, that would be okay. You, my friend, should put SPACEPLAN in a browser tab right now.
It is, as Andy Baio describes, it, a "clicker game." That means that you will do precisely one thing most of the time: click a mouse button. But as you do, a game m