Sid Meiers Civilization: Beyond Earth - Rising Tide [Mac]This is a digital code and will be sent via email. Platform: Mac Description: After the first wave of great colony ships departed Earth, the jubilation of humanity was short lived. Those left behind fell into a violent struggle over the quickly diminishing resources on their barren home world. From this tumultuous time, two new factions arose. These newcomers were grounded not in the idealism of their predecessors, but on opportunism, resilience,