ctrl + k for search is great.

I'm not sure exactly what the system is, but it's my understanding that users are not assigned to League groups at random. Instead, Manifold tries to group you with users that are similiar to you and would make for good competition. Again I don't understand the exact mechanisms here, but it's pretty obvious if you look at the different league groups.

option + c (mac) leads to confetti on any page.

ALT + c on windows

celebrate your wins

Like your own comment

On the sidebar to the left, you can switch between light mode, dark mode, and "auto" (following your computer's settings, if you've set it to alternate between light and dark mode at a certain schedule).