Niantic (of Pokemon Go and Harry Potter Wizards Unite) have Ingress as their first game. Gameplay is very basic compared to the other games, which goes a long way to explaining why I put Ingress down for a long time when Pokemon Go started.
Graph theory
With thanks to this tutorial on network analysis in R I’ve not followed all the suggestions, but it’s been a good springboard.
Plain images of map data is so web 1.0. R htmlwidgets mean I don’t have to acttuully learn Javascript to mess around with Javascript libraries in this site. One of the flagship examples leaflet works with OSM out of the box.