I'm aiming for this to be used as a study aid with possible classroom aspects, so always looking for feedback, especially from teachers / other educators :)
slightly addictive, but I found myself thinking the sum is the amount needed to get to 0, rather than the amount currently on. e.g. when it says 6, i look to get 6 rather than 4
theres not much to it really, a jquery powered script onto a static html page, backed by a PHP api to load questions, coloured in by Materialize CSS to make it look nice. server site there's really nothing to it, just a linux, nginx, mysql php setup :)