Hidden Mysteries: Civil War... Join General Walker, loyal follower of Abe Lincoln, for a Civil War adventure. Search original battlefields for clues and letters left by members of a secret society. These individuals hid millions of dollars in gold, cash, and coin. Scour 20 hidden object levels while advancing through time from the Battle of Fort Sumter in 1861 to Lee\'s surrender at Appotomattox in 1865. Cross rivers and grassy knolls to unearth Hidden Mysteries of the Civil War.