Mojang's exploration and survival based sandbox game in almost endless, procedurally generated worlds. This tag is for (vanilla) Minecraft on the PC. See the tag wiki for related tags.

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70
votes
4answers
39k views

What happens when you reach the edge of the world?

In Minecraft, presumably the world is finite. What happens when you reach the edge of the world? Or will the world become too large to reasonably deal with before this happens?
28
votes
3answers
15k views

What's the maximum number of powered rails in a row that's useful?

I'm going through my rail network, replacing boosters with powered rails. However I'm finding that unlike boosters, which 'break' the laws of minecraft physics (by giving the cart much more momentum ...
35
votes
7answers
36k views

How do I find slimes in Minecraft?

In early alpha I remember Minecraft videos showing slimes deep underground. I think you would attack them then they split into several smaller slimes. But I've never found a slime for myself. In what ...
32
votes
10answers
22k views

What's the best way to protect your house from Endermen stealing your walls?

Since Endermen are capable of picking up blocks, they can pick up your blocks from your house. What's the best way to prevent Endermen from stealing your blocks?
12
votes
2answers
7k views

How can I randomly power one of several wires in Minecraft?

Given 5 wires (possibly more), I want to press a Reset button, and have exactly one of those wires, randomly selected, become active - and remain that way (until the next button press). What is a ...
17
votes
2answers
3k views

How do I construct a safe sleeping area in 1.5 version?

Since 1.5 old rules for safe sleeping are no longer working. What are the new rules? With the addition of weather, sleeping in bed is much more important and old rules for safe placements of beds no ...
6
votes
1answer
3k views

Minecraft Command Blocks Help - Selecting previous target in a second command block

I'm trying to make a system that prevents players from using certain items: In one command block I have the following command "clear @a diamond_sword" executing constantly through a clock. Off the ...
11
votes
6answers
105k views

How do I change a spawner's type in Minecraft?

I want to change the type of my mob spawners on my server. My server is a vanilla server, as it has no mods. Is there a way I can edit it without mods? If not, is there a mod I can get to change them? ...
10
votes
1answer
23k views

Custom names and lores in Minecraft 1.7.2?

I have heard it was possible to change the names and lores of Minecraft items WITHOUT the use of third-party programs like MCEdit. Given the things that my friends have told me, and from the ...
3
votes
5answers
3k views

I'm stuck in a teleporting loop. What can I do?

I set a command block to /tp. It was supposed to activate only if you had 0 time left, and to activate the command block with a hopper clock to keep giving it power. But it is not checking if you ...
23
votes
2answers
7k views

Minimum safe spacing between lava and flamable materials?

It seems that containing lava in solid glass, stone and iron blocks may not be sufficient to prevent wool from burning, even if the lava is completely encased. After some delay, it seems that ...
17
votes
1answer
106k views

Where are my Minecraft saves located?

On Minecraft I am stuck really far down (see this question) and can't get out. When I search for my save I can't find it. I am on a Macbook.
20
votes
4answers
34k views

Why aren't there any passive mobs spawning in my single player world?

There used to be a bunch of pigs and sheep and cows and chickens, but ever since I've been building everywhere, they've vanished. I tried to create patches of grass with torches on them to get them to ...
12
votes
2answers
98k views

Why can't I mine diamond, gold ore, or redstone ore?

Normal blocks I can mine fine, but when it comes to diamond and gold ores, the block just gets "destroyed" (as in you can't pick it up). I'm playing on multiplayer with no spawning monsters.
2
votes
1answer
21k views

Minecraft Forge 1.7.10 keeps crashing as soon as I launch the game?

After successfully installing Minecraft Forge 1.7.10 using the Windows Installer, the game crashes as soon as it begins to launch. After crashing, the games screen reads this: [12:09:24] [main/INFO] ...
1
vote
1answer
9k views

Minecraft gave up trying to download files

I have an issue with my Minecraft launcher - I downloaded modpack for minecraft then the launcher started an update for the modpack version which it's 1.6.2, however then I started to get the issue ...
0
votes
1answer
7k views

I'm getting a, “Pixel format not accelerated” error when I try to launch Minecraft [duplicate]

So when I launch Minecraft, before it finishes loading, it crashes. I do not understand what is going on. Could someone help me? Here is my crash report: ---- Minecraft Crash Report ---- // Don't be ...
61
votes
8answers
32k views

What's the goal of Minecraft and what can users achieve in this world?

I heard a lot about Minecraft and I'm quite curious to know what can be achieved in this game and what's its goal. What mechanism keeps the game going?
42
votes
4answers
31k views

How can I play SMP when minecraft.net is down?

Since minecraft.net is down or at least badly reachable, is it possible to play multiplayer offline? I know I can log in as one "Player" with the server setting online-mode=false, but the second ...
41
votes
11answers
110k views

What's the most efficient way to get experience?

Now that experience does something besides render regions of a server uninhabitable due to orb lag, what's the most efficient and safe way to get those excellent enchants? A mob farmer may rank ...
19
votes
8answers
43k views

How do I create a very long delay with Redstone?

The only things I've found so far are a cart method (which ceased working in 1.6), a dispenser method (utilizing the decay on dropped items, but this requires occasional feeding), and a binary counter ...
45
votes
5answers
18k views

Is there any way to cause lava source blocks to replicate in Minecraft?

You can create an infinite well using two buckets of water and a hole that is one block deep and two blocks by two blocks wide. I'm wondering if it's possible to do a similar thing with lava, now ...
24
votes
10answers
81k views

How can I improve the performance of Minecraft?

I'm a happy Minecraft player. I place my blocks, mine my coal, and generally nobody gets hurt. Lately though, those mean creepers have been sneaking up on me from behind, and killing me. Why? Because ...
20
votes
4answers
30k views

How far away do portals need to be so that they don't go to the same place?

I'm playing on a SMP server and am trying to use the Nether to link up all my disparate bases around the world. Note in the below, A is Overworld, B is Nether. I started with one portal (A1, thus ...
16
votes
8answers
70k views

Can I copy part of a Minecraft multi-player (SMP) map to a single-player map?

Is it possible to somehow get the map from an SMP server as a mere player? I did some large Redstone circuitry, and I would like to copy it into my SSP map. If not, can I extract the loaded chunks ...
4
votes
1answer
2k views

Launching Minecraft lags computer

Whenever I launch Minecraft.exe on my computer, while the Minecraft launcher is loading, my computer starts to lag out. The render rate on my entire computer slows down . This is participially ...
38
votes
1answer
34k views

Why do I need to delete the META-INF folder when installing mods?

In Minecraft, nearly every tutorial on how to install a MOD tells you to remove the META-INF folder. However none of the ones I found tell you what it is. I don't like the idea of deleting a folder ...
8
votes
3answers
4k views

How do I fix randomly moved chunks after a crash?

I was stupid and didn't keep a backup of my Minecraft server. Now, it crashed, biomes changed, chunks were moved around, part of my city of gone, an underground chunk was moved aboveground, is there ...
29
votes
2answers
11k views

What are the properties of fire?

How exactly does fire act in Minecraft? Specifically, I'm wondering about things like: Which materials are flammable? Within how many blocks of a flaming block can a block catch fire? When you're on ...
24
votes
7answers
10k views

What's the safest way to farm obsidian without burning to death?

In single player Survival mode in Minecraft Alpha, what is the safest way to create an obsidian farm? I've come across naturally occurring in obsidian in Survival MP, but that was easy to mine because ...
17
votes
2answers
7k views

Do shorn sheep regrow their wool?

Following on from this question on dyed sheep the thought occurs "Do shorn sheep regrow their wool". I know that shorn sheep stay that way for a while - I see them around and about. I know that mobs ...
5
votes
2answers
12k views

How can I export all item ID's, Metadata and Names?

I am attempting to export a list of all item IDs, and metadata from minecraft. I am using the FTB Unleashed pack. What I want is to write to file: 351:1 Ink Sac 351:2 Rose Red ... 368:0 Ender Pearl ...
31
votes
12answers
92k views

What's the fastest way to find mineshafts?

I'm on the hunt for melons, and one place I'm fairly sure I can find them is a mineshaft. Which leaves me back at square one, how do I find a mine shaft? It seems they were made substantially harder ...
31
votes
10answers
10k views

How do I quickly create a safe shelter?

I've recently started playing Minecraft, and I only have a little experience with enemies (I've been playing with the peaceful setting so I can figure out what the heck I'm doing). When I did play ...
27
votes
7answers
22k views

What's the best way to fight an Enderman?

When you're looking at one and it's running at you really fast, you know you're in deep trouble. My question is: What is the best tactic to fight an Enderman because they seem to teleport behind ...
16
votes
3answers
7k views

How do level seeds work?

I see minecraft seeds listed, and I started trying some of my own. I have noticed using the same seed produces very similar styles of maps, i.e. start in a specific biome, very high mountains etc, ...
13
votes
4answers
8k views

Is it possible to change your single-player skin?

In Minecraft, is it possible to customize your skin in single-player mode (not just in multiplayer)? How?
11
votes
1answer
372k views

What are all the gamerule commands in Minecraft?

I want to know what are the gamerule commands in Minecraft, and what do they do? Please help as I want to have special stuff without using mods and plugins!
17
votes
6answers
24k views

What features differ between the XBLA and PC versions of minecraft?

What differences does the Xbox 360 version of minecraft have compared to playing on the PC? EDIT: At the risk of this being too localized, I'm asking more about differences exclusive to each ...
14
votes
4answers
60k views

How do I get the Ender Dragon egg and what does it do?

So I finally killed the Ender Dragon! As I was climbing the portal back to the world, I noticed that on top of the column there was an egg. So I attacked, mined, clicked and nothing happened, it just ...
7
votes
7answers
89k views

How do you allocate more RAM to Minecraft?

There is a lot of lag when I play Minecraft, and I think it's due to the ram I've allocated currently. (495MB) How do you allocate more RAM? EDIT: I checked my other computer (Intel i5 Core)and it ...
6
votes
2answers
13k views

Reset a player's progress on a server

I have a Minecraft server I've just started for a few friends. We're playing on hard, and I'm going to set it up so that players spawn with a few minimal items to get them going. Some of them jumped ...
3
votes
3answers
7k views

X,Y,Z missing in F3

When I press F3 to see the debug screen in I use Minecraft 1.8.1, some information is missing. Most notably, there are no XYZ coordinates. What happened to my debug overlay?
3
votes
1answer
28k views

Why does the connection time out when connecting to a server?

My friend had hosted a Minecraft server before and brought it back up today with my help. He and anyone in his LAN can connect. However we have had a few people try to connect, including me, and when ...
2
votes
3answers
29k views

How do I use F3 to get my coordinates when my laptop makes F3 a special key?

I can't get the coordinates on my computer because it keeps changing the brightness. I have a windows 8 Samsung, and I'm playing Minecraft version 1.6.4.
33
votes
6answers
27k views

What's the easiest or quickest way to build bases under water?

What's the easiest or quickest way to build bases under water? Stopping every 15 seconds for air is becoming very infuriating. Are there mods or something I can do to speed up the process or even ...
60
votes
19answers
18k views

How do I not get lost underground?

I have found a rather large series of underground caverns in Minecraft, and have come close to becoming fatally lost several times. What are some best practices in making sure I get back to familiar ...
103
votes
3answers
6k views

What is the minimum safe spacing between trees to contain forest fires?

After trying to implement a minor controlled burn to tame the wild forests surrounding my home, I managed to create what I shall heretofore refer to as The Burning Land. It occurred to me that we ...
68
votes
6answers
224k views

How do I find Dungeons in Minecraft?

In Minecraft survival mode, there are dungeon rooms with mob spawning machines, mossy cobblestones and special treasures. What's the best way to find those? I found one the other day and have been ...
13
votes
1answer
11k views

How can I get rid of this black hole in my minecraft world?

I have interesting bug that I have experienced before but has gone away on its own. This one is not going away though. I have a giant stripe or chunks missing from my desert biome, I would say ...