`` XCOM : Enemy Unknown '' combines resource management and combat strategy . The game is set in the year 2077, where humanity has colonized space. ` It just came down to stripping out a lot of things that were n't working and getting a flow in there , '' Solomon said . Designer says the elements felt lacking by themselves . The game was released Tuesday in North America .
`` XCOM : Enemy Unknown '' combines resource management and combat strategy . The game is set in the year 2077, where humanity has colonized space. Designer says the elements felt lacking by themselves . The game was released Tuesday in North America .