XCOM: Enemy Within achievements

XCOM: Enemy Within

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There are 30 XCOM: Enemy Within achievements worth 1,733 (1,000)

9,983 tracked gamers have this game, 924 have completed it (9.26%)

Achievement Details

Zom-B-Gone in XCOM: Enemy Within

Zom-B-Gone25 (20)

Eradicate the infestation

  • Unlocked by 6,470 tracked gamers (65% - TA Ratio = 1.23) 9,984  

Achievement Guide for Zom-B-Gone

838,451 (489,145)
Achievement won on 19 Jan 14
TA Score for this game: 1,733
Posted on 22 January 14 at 03:04, Edited on 29 January 14 at 02:01
This solution has 3 positive votes and 0 negative votes. Please log in to vote.
There are a couple of ways you can complete this mission.

1st way is conditional, you must have 5 to 6 squad members and this involves leaving a man behind. Basically fight your way to the boat you want to make sure you eliminate all enemies that are on the map before the boat if you dont you run the risk of loosing more than 1 guy. Once your near the boat designate a volunteer, the FNG is usually my choice. Hopefully your sniper has squad sight, Place him up on top of a nearby boat to help keep enemies off your volunteer. once he is close enough to get to the button without support have everyone else haul ass the other direction. There will be 2 enemies that spawn from sharks on your way back. On is on the second level on the right, the other is at the back of the map slightly to the left. The guy you Leave behind will be swarmed with enemies leaving the remaining ones free to run and deal with minimal threats. If your having issues clearing the map of enemies before you hit the ship read the next section.

The second way is much slower in the begining and I did it with 4 soldiers on classic. Stay to the Right of the map it is easier to run back this way. Positition your sniper on top of the building on the right as far as he will go north on that building. Positiion one soldier to clear the large building throught the large garage style door. Move up Slowly till you reach the market looking area in here will be the a long fight. Make sure your sniper is up high, if you have a heavy try and keep him in the middle. Do not take chances make sure your men are reloaded and dont be afraid to use explosives. Once you clear the intial wave or so in the kill zone you need a goffer.
There will be three enemies in a building on the other side of the market. Occasionally they come out on their own, most of the time they do not. You will need a soldier who has alot of movement points (prolly support or assualt) to draw them out.
Move you soldier up to the set of boxes on the left side of the inner market. If the first set doesnt draw them out then over watch and you will need to move to the next set on the next turn. be aware that all 3 will come straight for you and the should bottlenect on the stairs to the market. When this happens pull your soldier back to the first set of boxes, switch to your heavy and use a rocket. Your other three ppl should be able to finish them off now. After that is done continue moving up the right side till you reach the ramp that goes to the boat. Position your sniper at the top of the ramp keep two of the guys against the railing moving up towards the front of the ship. There should be a zombie and 2 of the chrystiods (spelling?) on dock. Use your hieght advantage to finish them off before you get too far up the ship and it reveals the whale or it will spawn enemies. Once they are gone make sure u have 2 guys at the closest structure on the boat, it will have a ladder but dont use it. Your lucky volunteer will move up as far as he can becuase the other two will be providing over watch and the sniper will get anything else. Wait to hit the button until you have a full 2 action points. Hit the button and haul ass the other way. Cover your retreating man once those three are off the ship then move the sniper off in to the nearby buiding. All of your soldiers will go through the buildings, this will help keep a buffer between you and the enemy. when you get to the shark thats on the same lvl as you it will spawn an enemy. What I did was took my sniper as far as he could run. each time I never used him past the first part of the mission. Use the other three to kill that enemy. after that keep hauling ass through the market and when you get to the large building go through the windows out the garage doors. In this area they will finally catch up to you, so dont freak out because they wont be able to attack (or shouldnt be able to because shit happens.) Do not attack them just run to the exit, the mission will end when you do. I did this and lost no men and had no damage on any of my guys.

First: Use save scum it is in the second wave options this resets the number generator every time you load up a save.

Second: Save often and make sure you have auto save on! Dont be afraid to reload.

Third: Keep your men together, no rambo shit! or they will die!
Chrystaliods (Spelling?) are your hardest enemy early on and they will gang rape you.

If something is unclear or wrong please let me know so it may be fixed. If you have other tips please add them in the comments and I will add to the guide.
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