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« on: June 15, 2014, 08:21:11 am »
How about this: You play as a very high ranking sectoid commander working under the Martian Council of Ethereals (the council on Mars is just one of many throughout the galaxies.) The ethereals have tasked you with leading the assault on Earth. You start out with just some sectoids and floaters with plasma pistols, or maybe some original weaker weapons, fighting military soldiers and trying to do alien research and alien harvest to develop methods of infiltration and get resources in addition to what the council gives you. Eventually, X-com forms and the stakes get higher as they are able to adapt some of your technology. At this point you can get access to better aliens and better weaponry, but deploying better units and weapons and setting up bigger missions like base attacks and terror attacks causes the punishment for failure to become much stiffer. Winning every mission wouldn't be required; even if you lose some missions, the ethereals believe lower aliens to be expendable and are more interested in the big picture than in every individual mission. Things like causing mass terror, eliminating a large number of X-com agents, or destroying X-com facilities, will still net a large number of points, even if your forces lose on that particular day.
The game is won when either 1) X-com is eradicated along with all of their adapted technology, leaving no major opposition or 2) all of the significant nations of the world have signed a pack with you. You lose if 1) X-com is able to mount a successful attack on the Martian base or 2) repeated failures lead to you getting sacked.