This Unity framework was programmed with navigation/cognitive scientists in mind. It provides base start for experiment delivery, helpful assets for controlling various useful aspects of the scene, such as player controller, sounds, objects, navigation helpers (mapping, gps) etc. It provides ways to parsing json data, logging participant information.
It also comes bundled with R scripts for parsing logged data here
Please cite if you use it in your work or at least spread the word :) https://doi.org/10.5281/zenodo.1172264
Documentation is available here