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Alien Abductions

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Alien Abductions is a mission type in XCOM: Enemy Unknown.

Mission BriefEdit

XCOM: Enemy Unknown:

Alien abduction in progress. Site is clear of civilians and multiple hostile elements are present. Collateral damage is not a concern.


XCOM: Enemy Within:

Alien abduction in progress. Meld energy signature readings are positive. Site is clear of civilians; collateral damage is not a concern.

Mission ObjectivesEdit

XCOM: Enemy Unknown:

  • Sweep the abduction site and identify threats
  • Neutralize all hostile targets


XCOM: Enemy Within:

  • Neutralize all hostile targets
  • Locate and secure Meld canisters

AcquisitionEdit

Site SelectionEdit

Alien Abduction missions offer a choice between two or three mission sites, typically located on different continents. Each site has its own difficulty rating and reward. XCOM can complete the mission at only one of the available sites, which leads to increased in panic on the continent(s) left to the aliens: panic is increased by 2-3 in targeted countries, and by 1-2 in the rest of the continent. Game difficulty is NOT a factor as previously thought.

When Abduction events are detected, XCOM has 30 hours to choose a site and start the mission before it is considered ignored and is no longer available. This does not apply to XCOM: Enemy Within; if Iron Mode is a factor in this has not been recorded.

Eligible NationsEdit

Countries that have withdrawn from XCOM are no longer eligible for Alien Abductions. They also do not occur in Council nations that have a satellite deployed over them on the first day of the month. (The game pre-selects nations for Abduction missions immediately following the previous month's Council report). For that reason, save satellite deployments for the end of the month (just prior to the Council report), or risk an abduction event in a country that already has a satellite. If there is only one Council nation without satellite coverage at the beginning of the month, no abductions will occur.

The number of abductions that occur each month, as well as the minimum number of "abductible" countries required for any abductions to occur, changes after the Alien Base Assault. Prior to the assault, there must be at least two valid countries (i.e., Council members without a satellite) at the beginning of the month in order for any abductions to occur, and if so, there will be two abduction events that month. After the assault, the minimum number of valid countries for any abductions is three, and the minimum number of abductions that will occur is one.[1] Thus, after the assault, it is both easier to prevent abductions from occurring, and there are fewer abductions if they do occur, making panic levels significantly easier to manage.

Mission SiteEdit

Alien Abduction missions always take place in urban areas. The layout is randomly chosen from a predetermined pool of 25 maps (28 in XCOM: Enemy Within), which are all available regardless of the nation the mission occurs in. Of the 25 possible sites in XCOM: Enemy Unknown, seven are no longer used for abductions in XCOM: Enemy Within, and are replaced by ten new maps. Some of the maps are also shared with Terror Site missions.

Urban areas typically consist of tight spaces with a lot of cover and multiple obstructions. This makes them good for mobility and flanking. Some maps also have multi-level buildings. Having soldiers equipped with grappling hooks via Skeleton Suit or Ghost Armor can be helpful.

Additionally, these maps feature scattered alien devices which can be used for cover. Contrary to the mission brief, they are often found near civilians, who are encased in a green goo. As the civilians aren't moving at all, it may suggest that the goo induces unconsciousness or a state of paralysis to ensure easy abduction by the aliens. It is not possible to rescue these civilians during the mission, and what becomes of them afterwards is unknown. Conversely, the fate of successfully abducted humans is revealed during the Alien Base Assault.

Enemy TypesEdit

Depending on the stage of the alien invasion, abductions can feature almost every alien species, excluding: Chryssalids, Ethereals, Outsiders, Sectopods, and Zombies. Although normally unavailable for this mission type, Sectoid Commanders may be present exclusively when accompanying a Mechtoid in XCOM: Enemy Within.

The number of enemies is determined by both the mission difficulty indicated when choosing an abduction site, and the game difficulty. Each enemy pod can consist of one to three aliens. In XCOM: Enemy Within the total number of aliens may vary from what is indicated below, as pods that normally consist of three aliens can be replaced with a pair of Seekers, or a Mechtoid / Sectoid Commander combo instead. XCOM's first abduction mission may consist of fewer enemies than usual.

Game
Difficulty
  Mission Difficulty
Easy Moderate Difficult Very Difficult
Easy Pods2344
Total Aliens46810
Normal Pods2344
Total Aliens46810
Classic Pods2344
Total Aliens46810
Impossible PodsN/A344
Total AliensN/A81012

TacticsEdit

Despite the suggestive name, the goal in Alien Abductions is simply to find and eliminate all hostiles. At the start of the mission, the enemy is present in full force, with some groups roaming the map. Due to these factors, it is preferable to advance minimally, always keeping to cover and using Overwatch at every turn. When enemies are encountered, it is preferable to engage them at maximum distance, to avoid discovering (and thus alerting) additional enemy groups.

RewardsEdit

Aside from alien corpses, weapon fragments, and weapons from aliens captured alive, Alien Abduction missions confer pre-announced rewards which can include credits, engineers, scientists, or a new, highly ranked, soldier from the affected country.

Panic is decreased by 3 in the country where the mission took place and is unchanged on the rest of the continent.

XCOM: Enemy WithinEdit

This expansion adds the following to this mission type:

  • Maps now always contain two Meld canisters.
  • Seekers and Mechtoids are available enemy types; the latter appears with a pair of supporting Sectoids (even until the finale) or may be accompanied by a single Sectoid Commander in later stages of the game.
  • Rewards include Meld; Up to 20 Meld can be acquired via the canisters, plus small amounts looted from dead Mechtoids or Heavy Floaters.

ReferencesEdit

  1. XGStrategyAI class, in XComStrategyGame.upk Game file. XCOM: Enemy Unknown. 2013-03-19 XCOM: Enemy Within. 2013-03-19


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