Just saw this post apocalyptic base building game (demo) on Steam:
The game-map data is form OSM so the apocalypse can take place in your city if you like. 
[edit]: Only 4 cities are available in the demo.
2 posts - 2 participants
Ce sujet de discussion accompagne la publication sur https://community.openstreetmap.org/t/game-infection-free-zone-maps-based-on-osm/8877