Fallout Shelter

Fallout Shelter

35 Achievements

1,000

80-100h

PC
Xbox One
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Atom Splitter

Atom Splitter

Merged 3 Power Rooms

10

28.57%

How to unlock the Atom Splitter achievement in Fallout Shelter - Definitive Guide

Easy to unlock, you'll need to place 3 power type areas together and they'll merge into a single power room entity.

The best option is right from the start to put three power generator rooms at 175 Credits each together in a row costing a total of 525 Credits to achieve.
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07 Feb 2017 19:33

6 Comments
Might want to include that if you upgrade a room before you have 3 you have to upgrade the room you want to attach to the same level you upgraded to. Hopefully that makes sense.
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By JadedMeanKat on 10 Feb 2017 02:18
Thanks for the tip about all of the rooms being at the same upgrade level!
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By Kit Fisto78 on 11 Feb 2017 22:56
No problem kit. I thought game was glitched at first cause I didn't remember upgrading my first room and their help menu is far from helpful lol.
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By JadedMeanKat on 12 Feb 2017 03:02
This also doesn't work for nuclear reactor.
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By Arno Vicidorian on 26 Feb 2017 22:16
Just a note for people who come here looking (probably, its broken for you too):

This achievement definitely suffers from breaking. If it doesnt trigger once a 3 merged room is created, it will never trigger on that save file. Start a new vault in an empty slot and do as above.
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By SamSammeth on 16 Mar 2017 16:26
To note further on the above, I created 3-4 new vaults, then restarted my game, created a new vault and it popped after a few seconds of joining the third power room.
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By TheWhiteR4bbitt on 19 Dec 2019 12:21
View all 6 comments Show less comments
Start up a new Vault and use the funds to purchase three level one Power Generators and place them in a row.

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12 Feb 2017 18:56

For this achievement you need to stick 3 power rooms in a row. The power rooms cost 175 each so it will cost you 525 caps in total. You can ether make the rooms when you first spawn into your shelter ( WARNING this will ruin your game and you will have to restart) or you can wait till about 10-15 mins into the game and you will have enough caps by just playing the game normally.

If you would like a video guide for this though I will leave mine below

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19 Feb 2017 18:04

Easy Trophy. You just have to build 3 Power Rooms, each costing 175 Caps, next to each other. The rooms will automatically merge together.
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14 Nov 2018 02:34

See Project Purity.

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Build 3 power buildings next to each other horizontally.
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07 May 2017 00:00

To get this achievement, you simply have to place 3 unupgraded Power Generator rooms next to each other. Placing the same room next to a room of the same upgrade will cause them to merge. When you merge 3 into 1 giant room, your achievement will unlock.

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Only rooms located horizontally are combined.
I made the wafers myself and lined them up somewhat vertically, so I had to fix them.
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11 Jun 2018 15:58