Learn how to enable the console in Sid Meier's Civilization 5 and reveal the entire map. Cheating in Civilization 5 requires that you edit a game file. As always be sure to make a backup of any file that are to be edited. Only one file needs to be edited for this game and there is only one change required. See the link below for all of the details. All Steam achievements are also listed.
Official Game Description:
Sid Meier's Civilization® V is the fifth offering in the multi-award winning Civilization strategy game series featuring the famous "just one more turn" addictive gameplay that has made it one of the greatest game series of all time.
Become Ruler of the World by establishing and leading a civilization from the dawn of man into the space age: Wage war, conduct diplomacy, discover new technologies, go head-to-head with some of history's greatest leaders and build the most powerful empire the world has ever known.