"If it is possible to gamify so seemingly boring things as learning keyboard shortcuts, then sky's the limit!" from https://github.com/stared/science-based-games-list#bonus
Please upvote the submission if you think more HNers should know about this list. The list is essentially about educational based games that nailed entertainment (with a focus on scientific phenomenon).
And I am totally excited to see it on the front page, thanks once more! :)