Looks like we had really similar ideas! I love your take on it and I think you really nailed the nostalgia factor. Might've been cool if there were different types of popups, or if they moved vertically too. Also would've liked to have some music, but I do really like the click sound effect.
I wonder if the crash on the web build is some kind of memory leak? I'm seeing this error in the browser console: Uncaught abort("Cannot enlarge memory arrays