Hey
Thanks for trying it out. The web version has an issue where after full-screen you have to click on the game to get focus. After that, you need to type where you want to go. So let's say you want to start the game, you have to type "Start" as it's one of the buttons on the screen.
Everything that is interactive is usually typable (baring a few screens). If you have the time to try it one more time I would ask you do so. Thanks.