InstructionsPre Civilization Stone Age UnblockedPre Civilization Bronze Age Hacked Unblocked At SchoolDownload visualizations windows media player. Pre-Civilization - Bronze Age with cheats: Keyhack [1] add people, [2] add production points, [3] add research points. Create and lead your own tribe from first human-primates lived 4 million years ago to the first civilizations of Ancient Egypt and ..