The more modest goal is to optimize learning arithmetic. The ultimate goal is to optimize learning practical knowledge to the greatest possible extent. I know this is ambitious, but I think I solved the most difficult problems involved already.
You can play a short demo on the website, though I warn it won’t be fun or effective at this early stage.
My next guess is that it’s only taking left mouse clicks and you might have some setup giving it right mouse clicks or something. It’s expected that keyboard input doesn’t work. If you want to do more thorough playtesting and debugging with downloading some executable builds you can make an account and post in this chat. But either way I’ll make buttons take all clicks for the next release and it might solve the issue.
Thanks for the feedback!