I know this isn't this game but i am planning on doing the whole lot of them on my channel, starting off with the first one, I have already done Paris and Bologna a few years a ago so i hope your ok with this.
10 Gnomes in Pothia
A downloadable Gnomes for Windows and macOS
Visit Pothia, Greece and find 10 gnomes hidden around the location.
Find clickable areas, navigate through the locations and zoom into every nook and cranny to find those little bastards.
No installation needed, it's a standalone game. Just download and unpack it.