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Need a place to hide out and protect your resources in Minecraft? Building an underground survival bunker will help keep you safe from the dangers of the Overworld. If you need ideas for designing the perfect underground base with everything you'll need to survive, we've got you covered. Read on to find out how to build a secure Minecraft bunker!
Steps
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1Dig downwards. This bunker is going to be near the bedrock level. Dig a two-by-one shaft so that you can avoid falling into lava and the like. Stop when you reach around y=15.
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2Hollow out a space to stay in. A 7-wide, 13-long, 4-high space works well.Advertisement
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3Place a nether portal in one of the walls. It will probably look better in one of the short walls.
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4Fill in the shaft to the surface and place a second nether portal on the surface. You will use this portal to access your bunker.
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5Go through the top portal and dig a tunnel in the nether that links the top and bottom portals. This is probably the most dangerous part of the build. Once you have built the tunnel, you may wish to fill it with security devices.
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6Go through the portals and into your bunker. If you turn off the portal in your bunker, then anybody going through the portal system will be sent back out the top portal.
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7Decorate your bunker walls to make it more homely. If you add a layer of obsidian behind the walls, it will prevent people from using TNT to enter your bunker.
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8Add survival systems to your bunker. You are potentially going to be staying in your bunker for extended periods of time, so you want several mechanisms to allow you to survive. In addition, these mechanisms do not want to be dependent on outside resources, such as bonemeal.
- A chicken farm. Fully automatic.
- A bonemeal-less crop farm.
- A bed
- A clock
- A storage system. A shulker box loader will help.
- A furnace and an enchanting table. Not strictly resource-less (they use coal and lapis), but they won't be used very often.
- An ender pearl station. Again, not strictly resource-less, but won't be used often.
- An under-floor armory.
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9Congrats! You now have an underground bunker! You can expand it with the following suggestions:
- A small tree farm, to provide wood and charcoal
- A charcoal smelter.
- A backup nether portal, as an emergency exit.
- Rooms for more people.
- If you are near one, a skeleton spawner farm. With this providing bonemeal and XP, you can make all your other farms more compact.
- Melon, pumpkin, sugar and cocoa bean farms.
- Whatever else you can imagine. At this point, it's becoming less of an underground bunker and more of an underground city!
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Community Q&A
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QuestionWill the portal always take me to the bunker?Top AnswererYes, as long as you build the portals in the same locations in the Nether and Overworld. There are plenty of online tutorials about nether portal mechanics -- I suggest you look some of them up for further help.
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QuestionDo I make a staircase to go up from the bunker, or do I use a ladder?Top AnswererEither, it's your choice. Remember that the part where you are climbing up and down between the portals is in the Nether, so plan accordingly.
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QuestionWhat if lava blocks me from getting to the other nether portal and I am on survival?Top Answerer1) Dig a tunnel around it. 2) Use a bucket to scoop it up, and use it later. 3) Place a block in the same space as the lava and this will remove the lava block.
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Tips
Tips from our Readers
The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.
- If you’re an experienced player in survival mode, consider placing a bed down regularly and setting a spawn point or respawn anchor in your bunker. Don’t do this in the nether, though, or your base will blow up!
- For a more compact design, make just a bed, a clock, a melon farm, a tree farm and an infinite water source. With these you can be self sustaining.
- Make a trap by placing obsidian around your bunker walls, a layer of lava, and then another obsidian layer.
- Consider having an ender pearl stasis chamber with a button that triggers it for a quick escape route.
- Make your bunker less suspicious by putting trees and other landscaping on top of it.
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