GeoGuessr: Guess the location from Google street view - https://news.ycombinator.com/item?id=5748923 - May 2013 (97 comments)
Geoguessr - https://news.ycombinator.com/item?id=5682367 - May 2013 (2 comments)
GeoGuessr: Let's explore the world - https://news.ycombinator.com/item?id=5572324 - April 2013 (2 comments)