XCOM Base Defense (EU2012) - Revision history

Porch at 12:44, 17 August 2025

2025-08-17T12:44:05Z

← Older revision		Revision as of 12:44, 17 August 2025
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	'''Notes'''		'''Notes'''
	*This mission is always called: '''Operation Ashes and Temples'''.		*This mission is always called: '''Operation Ashes and Temples'''.
	*The Aliens can now attack the [[XCOM HQ (EU2012)\|XCOM HQ]] once during a game, resulting on a Base Defense mission against the aliens.		*The Aliens can now attack the [[XCOM HQ (EU2012)\|XCOM HQ]] once during a game, resulting in a Base Defense mission against the aliens.
	*Base Defense always takes place 2-3 weeks after you've assaulted the [[Storyline Missions (EU2012)#Alien Base Assault\|Alien Base]].		*Base Defense always takes place 2-3 weeks after you've assaulted the [[Storyline Missions (EU2012)#Alien Base Assault\|Alien Base]].
	*While you're scanning for activity the Hologlobe on [[Mission Control (EU2012)\|Mission Control]] will start to flicker and there will be a cinematic showing sections of the XCOM HQ exploding or being attacked by mind controlled XCOM personnel. Afterwards [[Bradford (EU2012)\|Bradford]] will inform you that alien intruders have been detected and you'll need to defend HQ's Delta Section.		*While you're scanning for activity the Hologlobe on [[Mission Control (EU2012)\|Mission Control]] will start to flicker and there will be a cinematic showing sections of the XCOM HQ exploding or being attacked by mind controlled XCOM personnel. Afterwards [[Bradford (EU2012)\|Bradford]] will inform you that alien intruders have been detected and you'll need to defend HQ's Delta Section.

Exo2000 at 06:28, 2 August 2014

2014-08-02T06:28:05Z

← Older revision		Revision as of 06:28, 2 August 2014
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	*There are no penalties for demolishing the XCOM HQ, so feel free to use explosives.		*There are no penalties for demolishing the XCOM HQ, so feel free to use explosives.
	*Blueshirts have terrible aim and damage with their conventional weapons, but their grenades are very helpful for softening up enemies and removing their cover so your soldiers can get good hits.		*Blueshirts have terrible aim and damage with their conventional weapons, but their grenades are very helpful for softening up enemies and removing their cover so your soldiers can get good hits.
			**The Blueshirts operate best if placed on the higher ground where they can benefit from the appropriate bonuses, and can also benefit from Holotargeting. Consider using them to finish off enemies with only a few health points left, especially if your field operatives have much stronger weapons you'd rather save for overwatch or more healthy targets.
	*Try to get a killing blow with a Blueshirt for the All Hands on Deck [[Achievements (EU2012)\|achievement]], if you're playing to get them.		*Try to get a killing blow with a Blueshirt for the All Hands on Deck [[Achievements (EU2012)\|achievement]], if you're playing to get them.
	*Blueshirts don't last beyond the end of the mission, so feel free to use them as disposable scouts. You can absorb [[Overwatch (EU2012)\|Overwatch]] fire with them, and try to get psionic enemies to waste their Mind Controls on them, at which point you can kill them. Try not to let [[Chryssalid (EU2012)\|Chryssalids]] zombify them though. If one of your soldiers is in trouble, you can move a Blueshirt out of cover to try to present a more tempting target.		*Blueshirts don't last beyond the end of the mission, so feel free to use them as disposable scouts. You can absorb [[Overwatch (EU2012)\|Overwatch]] fire with them, and try to get psionic enemies to waste their Mind Controls on them, at which point you can kill them. Try not to let [[Chryssalid (EU2012)\|Chryssalids]] zombify them though. If one of your soldiers is in trouble, you can move a Blueshirt out of cover to try to present a more tempting target.
	*Falling dirt means that Aliens are about to drop in from the vents, so take a moment to look ahead and see if there's any falling dirt, as it'll give you a turn before they drop, as Bradford may not warn you until ''their'' turn.		*Falling dirt means that Aliens are about to drop in from the vents, so take a moment to look ahead and see if there's any falling dirt, as it'll give you a turn before they drop, as Bradford may not warn you until ''their'' turn.

	*The first wave will drop directly in to the Command Center where your troops start, with some dropping in the Rear Guard Station and a few in the Mech Bay.		*The first wave will drop directly in to the Command Center where your troops start, with some dropping in the Rear Guard Station and a few in the Mech Bay.
	**Try to get your soldiers on Overwatch on the elevated platforms in the Command Center for the bonus accuracy from high ground.		**Try to get your soldiers on Overwatch on the elevated platforms in the Command Center for the bonus accuracy from high ground.

Xuncu: Those two were bad screenshots: too dark from fog-o-war.

2014-04-24T10:03:31Z

Those two were bad screenshots: too dark from fog-o-war.

← Older revision		Revision as of 10:03, 24 April 2014
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	File:Base Defense 2 (EU2012).png\|Bradford about to shoot a mind controlled XCOM technician		File:Base Defense 2 (EU2012).png\|Bradford about to shoot a mind controlled XCOM technician
	File:Command Center (EU2012).png\|Command Center and Rear Guard Station		File:Command Center (EU2012).png\|Command Center and Rear Guard Station
	File:~~MEC Bay~~ (EU2012).png\|Mech Bay		File:XCOM_HQ_Assault_2_(EU2012).png\|Mech Bay
	File:~~Forward Access Tunnel~~ (EU2012).png\|Forward Access Tunnel		File:XCOM_HQ_Assault_3_(EU2012).png\|Forward Access Tunnel
	</gallery>		</gallery>
	<noinclude>		<noinclude>

Binkyuk: remove redundancy.

2014-04-23T14:41:44Z

remove redundancy.

← Older revision		Revision as of 14:41, 23 April 2014
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	*While you're scanning for activity the Hologlobe on [[Mission Control (EU2012)\|Mission Control]] will start to flicker and there will be a cinematic showing sections of the XCOM HQ exploding or being attacked by mind controlled XCOM personnel. Afterwards [[Bradford (EU2012)\|Bradford]] will inform you that alien intruders have been detected and you'll need to defend HQ's Delta Section.		*While you're scanning for activity the Hologlobe on [[Mission Control (EU2012)\|Mission Control]] will start to flicker and there will be a cinematic showing sections of the XCOM HQ exploding or being attacked by mind controlled XCOM personnel. Afterwards [[Bradford (EU2012)\|Bradford]] will inform you that alien intruders have been detected and you'll need to defend HQ's Delta Section.
	*You'll start with some veteran soldiers and base security personnel (a.k.a. Blueshirts). Delta section has been cut off and you'll have to defend it from the aliens. The aliens will attack in waves.		*You'll start with some veteran soldiers and base security personnel (a.k.a. Blueshirts). Delta section has been cut off and you'll have to defend it from the aliens. The aliens will attack in waves.
	**The soldiers you get will always be ~~your highest ranked~~ ones~~. If you have more than one soldier eligible~~ at ~~each rank they will be picked in~~ the ~~order they are listed~~ in the "view soldiers" area of the Barracks, which orders your soldiers first by rank, then by missions, then kills and finally arrival date.		**The soldiers you get will always be the ones at the top of the list in the "view soldiers" area of the Barracks, which orders your soldiers first by rank, then by missions, then kills and finally arrival date.
	**Soldiers that are injured, on covert operations, in psionic testing, in the genetics lab or undergoing cybernetic augmentation at the time that the aliens strike are "unavailable" and will be passed over when the game selects your starting soldiers and reinforcement waves.		**Soldiers that are injured, on covert operations, in psionic testing, in the genetics lab or undergoing cybernetic augmentation at the time that the aliens strike are "unavailable" and will be passed over when the game selects your starting soldiers and reinforcement waves.
	*If you lose the mission you'll lose the game.		*If you lose the mission you'll lose the game.

Honeyspider: Minor change to the "which soldiers get picked section": it's not random by systematic, you get your top soldiers in the exact order they are listed in your Barracks. Also added that you only get reinforcements if you have taken combat losses.

2014-04-22T16:49:09Z

Minor change to the "which soldiers get picked section": it's not random by systematic, you get your top soldiers in the exact order they are listed in your Barracks. Also added that you only get reinforcements if you have taken combat losses.

← Older revision		Revision as of 16:49, 22 April 2014
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	*While you're scanning for activity the Hologlobe on [[Mission Control (EU2012)\|Mission Control]] will start to flicker and there will be a cinematic showing sections of the XCOM HQ exploding or being attacked by mind controlled XCOM personnel. Afterwards [[Bradford (EU2012)\|Bradford]] will inform you that alien intruders have been detected and you'll need to defend HQ's Delta Section.		*While you're scanning for activity the Hologlobe on [[Mission Control (EU2012)\|Mission Control]] will start to flicker and there will be a cinematic showing sections of the XCOM HQ exploding or being attacked by mind controlled XCOM personnel. Afterwards [[Bradford (EU2012)\|Bradford]] will inform you that alien intruders have been detected and you'll need to defend HQ's Delta Section.
	*You'll start with some veteran soldiers and base security personnel (a.k.a. Blueshirts). Delta section has been cut off and you'll have to defend it from the aliens. The aliens will attack in waves.		*You'll start with some veteran soldiers and base security personnel (a.k.a. Blueshirts). Delta section has been cut off and you'll have to defend it from the aliens. The aliens will attack in waves.
	**The soldiers you get will always be your highest ranked ones. If you have more than one soldier eligible at each rank they will be picked at ~~random (i.e. if you have 4 Colonels~~ and ~~4 Majors, you'll get~~ the ~~4 Colonels~~ and ~~a random 2 Majors)~~.		**The soldiers you get will always be your highest ranked ones. If you have more than one soldier eligible at each rank they will be picked in the order they are listed in the "view soldiers" area of the Barracks, which orders your soldiers first by rank, then by missions, then kills and finally arrival date.
			**Soldiers that are injured, on covert operations, in psionic testing, in the genetics lab or undergoing cybernetic augmentation at the time that the aliens strike are "unavailable" and will be passed over when the game selects your starting soldiers and reinforcement waves.
	*If you lose the mission you'll lose the game.		*If you lose the mission you'll lose the game.
	**You can restart the mission if you lose with a new RNG seed, this will work with Ironman enabled too.		**You can restart the mission if you lose with a new RNG seed, this will work with Ironman enabled too.
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	* You'll get 3 waves of reinforcements each time Bradford informs you that they've managed to reopen the security door.		* You'll get 3 waves of reinforcements each time Bradford informs you that they've managed to reopen the security door.
	**Each time you receive reinforcements you'll get 1 of your combat soldiers, plus 0-2 Blueshirts.		**Each time you receive reinforcements you'll get 1 of your combat soldiers, plus 0-2 Blueshirts.
			**You will only receive reinforcements in the second and third waves if you have taken combat losses, as the game will not allow you to have more than 8 active soldiers at once.
	*The Blueshirts will have -1 HP and -10 Will than a Rookie.		*The Blueshirts will have -1 HP and -10 Will than a Rookie.
	**If you get [[Foundry (EU2012)#Tactical Rigging\|Tactical Rigging]], the base security personnel will have 2 grenades instead of one.		**If you get [[Foundry (EU2012)#Tactical Rigging\|Tactical Rigging]], the base security personnel will have 2 grenades instead of one.

Hobbes: 2nd blast door can be used by reinforcements

2014-04-17T10:55:01Z

2nd blast door can be used by reinforcements

← Older revision		Revision as of 10:55, 17 April 2014
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	**This is probably the most dangerous part of the mission. If you fail to take out the most dangerous aliens on the turn they drop in then they're almost guaranteed to get flanking shots or melee attacks in such an enclosed space.		**This is probably the most dangerous part of the mission. If you fail to take out the most dangerous aliens on the turn they drop in then they're almost guaranteed to get flanking shots or melee attacks in such an enclosed space.
	*A large group of flying units will arrive at the Rear Guard Station. Most will fly in to the Command Center, but some may get "lost" and you'll have to go out and get them.		*A large group of flying units will arrive at the Rear Guard Station. Most will fly in to the Command Center, but some may get "lost" and you'll have to go out and get them.
	*After that more units will drop in to the Mech ~~bay~~.		*After that more units will drop in to the Mech Bay.
	**Try to move some troops out early on to the elevated platforms overseeing the Mech Bay, you'll get excellent shots from the high ground.		**Try to move some troops out early on to the elevated platforms overseeing the Mech Bay, you'll get excellent shots from the high ground.
	**If you're still fighting the flyers when the new wave drops in then you may be better off pressing in to the Rear Guard Station to buy time and then fighting the new enemies from across the Command Center.		**If you're still fighting the flyers when the new wave drops in then you may be better off pressing in to the Rear Guard Station to buy time and then fighting the new enemies from across the Command Center.
	*Two more waves of aliens will come through the Forward Access Tunnel. Bradford will urge you to go to them, but it's likely a better idea to keep your troops covering the Mech Bay, since it's very defensible. The aliens will eventually come to you.		*Two more waves of aliens will come through the Forward Access Tunnel. Bradford will urge you to go to them, but it's likely a better idea to keep your troops covering the Mech Bay, since it's very defensible. The aliens will eventually come to you.
			**It is possible to have reinforcements arriving at the blast door on the junction of the Mech Bay and Forward Access Tunnel if you advance your troops to that area, although the precise conditions are not known.
	</noinclude>		</noinclude>

Binkyuk: spelled this way in in-game text

2014-04-17T10:22:35Z

spelled this way in in-game text

Sunesha: Typos/Spelling

2014-01-21T19:46:58Z

Typos/Spelling

← Older revision		Revision as of 19:46, 21 January 2014
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	**The soldiers you get will always be your highest ranked ones. If you have more than one soldier eligible at each rank they will be picked at random (i.e. if you have 4 Colonels and 4 Majors, you'll get the 4 Colonels and a random 2 Majors).		**The soldiers you get will always be your highest ranked ones. If you have more than one soldier eligible at each rank they will be picked at random (i.e. if you have 4 Colonels and 4 Majors, you'll get the 4 Colonels and a random 2 Majors).
	*If you lose the mission you'll lose the game.		*If you lose the mission you'll lose the game.
	**You can restart the mission if you lose with new RNG seed, this ~~works too~~ with Ironman enabled.		**You can restart the mission if you lose with a new RNG seed, this will work with Ironman enabled too.
	*Your combat soldiers will be equipped with what they have at the moment in the Barracks and the base security will have [[Assault Rifle (EU2012)\|Assault Rifles]] and [[Frag Grenade (EU2012)\|Frag Grenades]].		*Your combat soldiers will be equipped with what they have at the moment in the Barracks and the base security will have [[Assault Rifle (EU2012)\|Assault Rifles]] and [[Frag Grenade (EU2012)\|Frag Grenades]].
	**Keeping your highest ranked soldiers equipped is one of the most crucial things you can do to make this mission easier.		**Keeping your highest ranked soldiers equipped is one of the most crucial things you can do to make this mission easier.

Sunesha at 19:45, 21 January 2014

2014-01-21T19:45:57Z

← Older revision		Revision as of 19:45, 21 January 2014
Line 14:		Line 14:
	**The soldiers you get will always be your highest ranked ones. If you have more than one soldier eligible at each rank they will be picked at random (i.e. if you have 4 Colonels and 4 Majors, you'll get the 4 Colonels and a random 2 Majors).		**The soldiers you get will always be your highest ranked ones. If you have more than one soldier eligible at each rank they will be picked at random (i.e. if you have 4 Colonels and 4 Majors, you'll get the 4 Colonels and a random 2 Majors).
	*If you lose the mission you'll lose the game.		*If you lose the mission you'll lose the game.
	**You can restart the mission if you lose.		**You can restart the mission if you lose with new RNG seed, this works too with Ironman enabled.
	*Your combat soldiers will be equipped with what they have at the moment in the Barracks and the base security will have [[Assault Rifle (EU2012)\|Assault Rifles]] and [[Frag Grenade (EU2012)\|Frag Grenades]].		*Your combat soldiers will be equipped with what they have at the moment in the Barracks and the base security will have [[Assault Rifle (EU2012)\|Assault Rifles]] and [[Frag Grenade (EU2012)\|Frag Grenades]].
	**Keeping your highest ranked soldiers equipped is one of the most crucial things you can do to make this mission easier.		**Keeping your highest ranked soldiers equipped is one of the most crucial things you can do to make this mission easier.

JZTess: Added note about Ethereals. They can appear in this mission if you're late in the game (September and beyond)

2013-12-24T05:57:43Z

Added note about Ethereals. They can appear in this mission if you're late in the game (September and beyond)

← Older revision		Revision as of 05:57, 24 December 2013
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	*Delta Section has a rectangular design, consisting of 4 linked sections: Rear Guard Station, Command Center, MEC Bay and Forward Access Tunnel.		*Delta Section has a rectangular design, consisting of 4 linked sections: Rear Guard Station, Command Center, MEC Bay and Forward Access Tunnel.
	*At the end of the mission Bradford will comment that "we still need to find how this was possible", although you'll need to play the [[Progeny (EU2012)\|Progeny]] campaign to learn about it.		*At the end of the mission Bradford will comment that "we still need to find how this was possible", although you'll need to play the [[Progeny (EU2012)\|Progeny]] campaign to learn about it.
			*Depending on game progression, the [[Ethereal (EU2012)\|Ethereal]] may be introduced in this mission
	<noinclude>		<noinclude>
	'''Tactics'''		'''Tactics'''

← Older revision		Revision as of 10:22, 17 April 2014
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	**If you get [[Foundry (EU2012)#Tactical Rigging\|Tactical Rigging]], the base security personnel will have 2 grenades instead of one.		**If you get [[Foundry (EU2012)#Tactical Rigging\|Tactical Rigging]], the base security personnel will have 2 grenades instead of one.
	**Although Base Security personnel may earn promotions during the mission, you won't get to keep them as soldiers.		**Although Base Security personnel may earn promotions during the mission, you won't get to keep them as soldiers.
	*Delta Section has a rectangular design, consisting of 4 linked sections: Rear Guard Station, Command Center, ~~MEC~~ Bay and Forward Access Tunnel.		*Delta Section has a rectangular design, consisting of 4 linked sections: Rear Guard Station, Command Center, Mech Bay and Forward Access Tunnel.
	*At the end of the mission Bradford will comment that "we still need to find how this was possible", although you'll need to play the [[Progeny (EU2012)\|Progeny]] campaign to learn about it.		*At the end of the mission Bradford will comment that "we still need to find how this was possible", although you'll need to play the [[Progeny (EU2012)\|Progeny]] campaign to learn about it.
	*Depending on game progression, the [[Ethereal (EU2012)\|Ethereal]] may be introduced in this mission		*Depending on game progression, the [[Ethereal (EU2012)\|Ethereal]] may be introduced in this mission
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	*Falling dirt means that Aliens are about to drop in from the vents, so take a moment to look ahead and see if there's any falling dirt, as it'll give you a turn before they drop, as Bradford may not warn you until ''their'' turn.		*Falling dirt means that Aliens are about to drop in from the vents, so take a moment to look ahead and see if there's any falling dirt, as it'll give you a turn before they drop, as Bradford may not warn you until ''their'' turn.

	*The first wave will drop directly in to the Command Center where your troops start, with some dropping in the Rear Guard Station and a few in the ~~MEC~~ Bay.		*The first wave will drop directly in to the Command Center where your troops start, with some dropping in the Rear Guard Station and a few in the Mech Bay.
	**Try to get your soldiers on Overwatch on the elevated platforms in the Command Center for the bonus accuracy from high ground.		**Try to get your soldiers on Overwatch on the elevated platforms in the Command Center for the bonus accuracy from high ground.
	**This is probably the most dangerous part of the mission. If you fail to take out the most dangerous aliens on the turn they drop in then they're almost guaranteed to get flanking shots or melee attacks in such an enclosed space.		**This is probably the most dangerous part of the mission. If you fail to take out the most dangerous aliens on the turn they drop in then they're almost guaranteed to get flanking shots or melee attacks in such an enclosed space.
	*A large group of flying units will arrive at the Rear Guard Station. Most will fly in to the Command Center, but some may get "lost" and you'll have to go out and get them.		*A large group of flying units will arrive at the Rear Guard Station. Most will fly in to the Command Center, but some may get "lost" and you'll have to go out and get them.
	*After that more units will drop in to the ~~MEC~~ bay.		*After that more units will drop in to the Mech bay.
	**Try to move some troops out early on to the elevated platforms overseeing the ~~MEC~~ Bay, you'll get excellent shots from the high ground.		**Try to move some troops out early on to the elevated platforms overseeing the Mech Bay, you'll get excellent shots from the high ground.
	**If you're still fighting the flyers when the new wave drops in then you may be better off pressing in to the Rear Guard Station to buy time and then fighting the new enemies from across the Command Center.		**If you're still fighting the flyers when the new wave drops in then you may be better off pressing in to the Rear Guard Station to buy time and then fighting the new enemies from across the Command Center.
	*Two more waves of aliens will come through the Forward Access Tunnel. Bradford will urge you to go to them, but it's likely a better idea to keep your troops covering the ~~MEC~~ Bay, since it's very defensible. The aliens will eventually come to you.		*Two more waves of aliens will come through the Forward Access Tunnel. Bradford will urge you to go to them, but it's likely a better idea to keep your troops covering the Mech Bay, since it's very defensible. The aliens will eventually come to you.
	</noinclude>		</noinclude>

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	File:Base Defense 2 (EU2012).png\|Bradford about to shoot a mind controlled XCOM technician		File:Base Defense 2 (EU2012).png\|Bradford about to shoot a mind controlled XCOM technician
	File:Command Center (EU2012).png\|Command Center and Rear Guard Station		File:Command Center (EU2012).png\|Command Center and Rear Guard Station
	File:MEC Bay (EU2012).png\|~~MEC~~ Bay		File:MEC Bay (EU2012).png\|Mech Bay
	File:Forward Access Tunnel (EU2012).png\|Forward Access Tunnel		File:Forward Access Tunnel (EU2012).png\|Forward Access Tunnel
	</gallery>		</gallery>