Ufo: Aftermath -

: A major threat in the game is a fast-growing mutagenic organism that can swallow entire regions of the world, including your bases. Containing the Biomass through specific research and anti-biomass bases is critical to your survival.

: Played on a 3D globe, you manage a limited number of bases (Military, Research, and Manufacture). There is no currency system; instead, you capture bases to gain resources, research alien technology, and manufacture advanced equipment. UFO: Aftermath

The game is split into two distinct modes that interact with each other to simulate the war for Earth's survival: : A major threat in the game is

: The initial enemies you encounter are "transgenants," strange mutated creatures created by the alien spores. you capture bases to gain resources