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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15
votes
5answers
90k views

How do I change player name in minecraft multiplayer in offline mode in Linux?

I have a small Minecraft server (beta 1.5), and every time I log in via offline mode from a client, my name is "Player". How can I change that? I know of a way to do it in Windows but it doesn't ...
17
votes
5answers
16k views

Can I play Minecraft on a USB flash drive?

I've got a 4 GB SanDisk Cruzer here with practically nothing on it, and I'm about to go house-sit for a friend with a computer but no internet. It sure would be nice to play Minecraft while he's away, ...
44
votes
8answers
42k views

What persists after a respawn in Minecraft?

I've died a few times before reaching the point where I can get some action going; after each death I was unable to recover the contents of my inventory. Is my inventory lost forever after death? ...
12
votes
6answers
111k 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? ...
13
votes
2answers
108k 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.
13
votes
3answers
10k views

How far should I place torches in a planar huge room?

I'm building a very large planar room. How far should I place torches from each other, in order to avoid mob spawning? In How far do I have to place torches so that mobs will not spawn near me? ...
3
votes
1answer
24k views

Turning fullscreen on made Minecraft crash, and now it crashes on start every time

I switched to full screen on minecraft, the screen turned black as if it were loading it took a while so i closed minecraft and reopened it. When I logged on it gave me a program on my taskbar saying ...
72
votes
4answers
42k 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?
29
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
38k 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
25k 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
8k 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 ...
27
votes
10answers
80k views

Can you turn weather off in Minecraft?

The arrival of Minecraft Beta 1.5 brought weather conditions. However, it can at times be inconvenient when you're trying to screenshot something and show it off (as it reduces lighting and obstructs ...
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
1answer
30k 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 ...
26
votes
4answers
154k views

How can I disable creepers block damage on my Minecraft server?

Please note that these are NOT acceptable solutions: Completely disabling monsters (peaceful mode) Completely removing creepers Completely disabling explosions (TNT + Creepers) Disabling creeper ...
24
votes
2answers
8k 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
110k 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
35k 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 ...
9
votes
2answers
13k views

Super Secret Settings

In the new snapshot of minecraft (13w36b) there is a super secret setting in the options menu. when hitting the button an enderman-ish sounds play. Does it do anything or is it just a sound?
2
votes
1answer
113k views

Failed to Login : Invalid session (Try restarting your game) Minecraft Error

When I try to connect to servers or join up on lan worlds in Minecraft it says "Failed to Login : Invalid session (Try restarting your game)". Multiplayer used to work fine but now keeps coming up ...
1
vote
1answer
10k 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 ...
1
vote
1answer
8k views

Username and Password not recognized when logging into Minecraft

We just got a new laptop (asus) we did have a mac. We are trying to log onto Mojang to download Minecraft and it keeps saying the username and password are not recognized? We have done all the ...
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 ...
64
votes
8answers
34k 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
119k 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
47k 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 ...
25
votes
10answers
82k 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 ...
21
votes
4answers
33k 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 ...
17
votes
8answers
73k 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 ...
41
votes
1answer
35k 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 ...
29
votes
2answers
12k 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 ...
8
votes
3answers
5k 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 ...
5
votes
2answers
13k 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
101k 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
26k 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
8k 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?
12
votes
1answer
403k 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
25k 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 ...
7
votes
7answers
96k 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 ...
7
votes
1answer
18k views

Why can't I log in to Minecraft? unknown username or password

My Minecraft password will not work. I've reset it about 5 times and no matter what I choose as my password, it will not take it. I just made my Minecraft account today I am entering my username ...
6
votes
2answers
16k 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 ...
4
votes
3answers
12k 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?