- Priority Missions can be postponed indefinitely. They move the story forward, and apparently you can level up your technology and soldiers before proceeding.
- The game has 6 Priority Missions.
- Ignoring a Terror Mission will cause the terrorized country to leave the XCOM project.
- Panic levels:
- Building a satellite over a nation reduce panic by 2.
- Completing Terror Missions reduce panic in the terrorized nation by 2.
- Completing UFO Landing or Crash Missions reduce panic in the target nation by 2.
- Certain Priority Missions will reduce panic in all countries by 2.
- Finish building a Firestorm - a faster Interceptor.
- Build a Hyperwave Relay factility, which should reveal the Overseer UFO type.
- Take down an Overseer and defeat the Ethereal.
- Research Ethereal corpse and build a Mind Shield. Also, I need to kill more Ethereals to build one.
- Research the Ethereal Device.
2012-10-17
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2013-10-05
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2014-07-20
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2015-05-25
2016-01-07
2016-01-08
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2016-01-11
2016-01-23
2016-01-24