Big City Adventure - San Francisco is a Games & Entertainment::Puzzle & Word Games software developed by Big Fish Games. After our trial and test, the software was found to be official, secure and free. Here is the official description for Big City Adventure - San Francisco: Join the Big City Adventure treasure hunt and search for thousands of cleverly hidden items. Travel to all the most famous (and not so famous) locations around the cosmopolitan city of San Francisco. Discover 60 fascinating and obscure facts about San Francisco and it's history, plus, earn 60 cool mementos from the 20 amazing locations you'll visit. Big City Adventure is a great beginning to a new series of hidden object games. you can download Big City Adventure - San Francisco free now.