itch.io

I'm not the host but it sounds like they're saying that the only player input that should be used during gameplay (excluding navigating menus/UI) is a single button. So checking WHEN the player clicks their mouse or taps their screen is fine but using the LOCATION of a click would be against the rules from my understanding. Think flappy bird for example, it registers your taps but WHERE you tap on the screen has no bearing on gameplay.