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[[Image:Alien Infiltration.png|thumb|right|Alien Infiltration research topic and mission.]]
{{Ref Open | title = Alien Infiltration}}[[Image:Alien Infiltration.png|thumb]]
This Alien mission represents the worst threat to X-COM. Earth governments can be infiltrated by Alien agents which are Human in appearance. This can result in official contact between Aliens and governments at the highest level. The climax of this activity is characterised by intense [[UFOs|UFO]] activity in the vicinity of major cities. The aliens will attempt to sign a [[pact]] with an earth government by offering knowledge of their superior technology. In return, the government will allow the Aliens to conduct their activity unhindered.  
Earth governments can be infiltrated by alien agents which are human in appearance. This can result in official contact between aliens and governments at the highest level. The climax of this activity is characterised by intense UFO activity in the vicinity of major cities. The aliens will attempt to sign a pact with an earth government by offering knowledge of their superior technology. In return the government will allow the Aliens to conduct their activity unhindered. This Alien mission represents the worst threat to XCom. If a government agrees to a pact then its funding will cease.
 
{{Ref Close | source = UFO: Enemy Unknown UFOpaedia}}
If a government agrees to a pact then its funding will cease. If successful, the aliens will [[Scoring#Alien_Scoring|score]] 150 points, and an alien base will also be constructed which generates daily activity points, which are eventually subtracted from your score.  
The aliens will [[Scoring#Alien_Scoring|score]] 150 points for this mission. In addition, a country will cease [[Country Funding (EU)|funding]] X-Com, and an [[Alien Base|alien base]] will be constructed.


Initially, several Scouts will perform investigations prior to the main infiltration attempt.
Initially, several Scouts will perform investigations prior to the main infiltration attempt.


According to the GameFAQs user IRS in the thread [http://www.gamefaqs.com/boards/199362-x-com-ufo-defense/49304840?page=1], it is possible to entirely stop an infiltration attempt if you manage to prevent every single Infiltration Scout from reaching the target country's soil. This means they must either be destroyed or shot down outside the country's borders. --[[User:Siegfried667|Siegfried667]] 07:16, 26 May 2010 (EDT)
In the main Infiltration wave, a Large Scout will appear, followed by a Terror Ship, Supply Ship and two Battleships. Shooting down any of these craft before they slow down will delay the next craft by a couple of days; if the craft are ignored even for a short while, long enough to slow down, the sequence proceeds extremely quickly.
 
Shooting down the UFOs or [[UFO Ground Assault|assaulting the landed ships]] will NOT stop the infiltration from succeeding. Shooting down the earlier ships will delay, but not entirely stop the second Battleship. The moment the second Battleship appears in Earth's atmosphere, the infiltration is successful and complete. The country infiltrated will still provide funding at the end of the month when the second Battleship arrives (due to the way funding is handled), but its contribution will be set to zero in all future months, directly harming X-Com's wallet.
In the main Infiltration wave, A Large Scout will appear, followed by a Terror Ship, Supply Ship and two Battleships. It has been shown that shooting down any of these craft before they slow down will delay the next craft by a couple of days; if the craft are ignored even for a short while, long enough to slow down, the sequence proceeds extremely quickly.
It has been conclusively shown that shooting down the UFOs or [[UFO Ground Assault|assaulting the landed ships]] will NOT stop the infiltration from succeeding. Shooting down the earlier ships will delay, but not entirely stop the 2nd Battleship. The moment the 2nd battleship appears in Earth's atmosphere, the infiltration is successful and complete.


When a country is successfully infiltrated, an alien base will be instantly created in or near the country. Always search for the alien base after the 2nd Battleship. And once you know that the base is there, you have several options available to you...
Always search for the alien base after the second Battleship, as otherwise it will continue to score points for the Aliens.


==See Also==
==See also==
{{Alien Missions Navbar}}
{{Alien Missions Navbar}}
[[Category:Research (EU)]]
[[Category:Research (EU)]]
[[Category:Enemy Unknown/UFO Defense]]

Latest revision as of 11:33, 29 April 2025

Alien Infiltration

Earth governments can be infiltrated by alien agents which are human in appearance. This can result in official contact between aliens and governments at the highest level. The climax of this activity is characterised by intense UFO activity in the vicinity of major cities. The aliens will attempt to sign a pact with an earth government by offering knowledge of their superior technology. In return the government will allow the Aliens to conduct their activity unhindered. This Alien mission represents the worst threat to XCom. If a government agrees to a pact then its funding will cease.

Source: UFO: Enemy Unknown UFOpaedia

The aliens will score 150 points for this mission. In addition, a country will cease funding X-Com, and an alien base will be constructed.

Initially, several Scouts will perform investigations prior to the main infiltration attempt.

In the main Infiltration wave, a Large Scout will appear, followed by a Terror Ship, Supply Ship and two Battleships. Shooting down any of these craft before they slow down will delay the next craft by a couple of days; if the craft are ignored even for a short while, long enough to slow down, the sequence proceeds extremely quickly. Shooting down the UFOs or assaulting the landed ships will NOT stop the infiltration from succeeding. Shooting down the earlier ships will delay, but not entirely stop the second Battleship. The moment the second Battleship appears in Earth's atmosphere, the infiltration is successful and complete. The country infiltrated will still provide funding at the end of the month when the second Battleship arrives (due to the way funding is handled), but its contribution will be set to zero in all future months, directly harming X-Com's wallet.

Always search for the alien base after the second Battleship, as otherwise it will continue to score points for the Aliens.

See also

UFO Badge UFO: Enemy Unknown/X-Com: UFO Defense
Alien Missions:Alien OriginsThe Martian SolutionCydonia or BustAlien ResearchAlien Harvest
Alien AbductionAlien InfiltrationAlien BaseAlien TerrorAlien RetaliationAlien Supply