AlphaPolis announced the release of the official Tsuki ga Michibiku Isekai Douchuu PC browser game which will be based on the popular manga. The manga released in 2015 June and until now more than 400 000 copies sold just in Japan.

The PC game will be available from 2017 Spring according to AlphaPolis and it will be a TRPG like game based on the first two screenshots (see the gallery).
At the moment not so much more information known about the game so stay tuned for more information!