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Overview

Desert World, Red Mesas and Dark Badlands, 3k, 1.21.5

Advent Map 4, Explore in the west the Black Badlands and Red Mesas,or explore the lush Alpine part of the island to the north, or travel down to the south, where a giant Sand desert awaits you. A 9km² custom Minecraft map created by McMeddon. For this world i´ve made changes to the Grand Canyon and reduced their impact area (they wouldve been much bigger lol), to better fit onto this "small" island. Snowlines have been lowered so the peaks of the Mesa would also receive snow. And i finished the implementation for dedicated black and Red deserts, that have now individual generation. (Backend Stuff i wanted to finalize for a long time) Enjoy your adventure!

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Size

3K world 59 of 268 this size

1K
2K
Map of Advent Map 4 3K
Advent Map 4 at 3K, against the sizes the worlds are built on. Every square is to scale.

Footprint

3,072 × 3,072

blocks, 9.4 km² at one block per metre

Edge to edge

  • Happy ghast 14 min
  • On foot 12 min
  • Minecart 6 min
  • Horse 5 min
  • Elytra 2 min

Walking, a minecart on powered rails, an average horse and rocket-boosted elytra.

Sizes in the library 12% smaller than this

1K
2K
3K
4K
5K
6K
7K
8K
9K
12K

Most worlds are 4K (88 of them). The largest is Eulyxian at 12K.

Versions

Made for 1.21.5 Opens from 1.20

Older releases drop what they do not know yet. Each row lists what it loses on top of the rows above it.

  1. 1.21.5and newer Made for

    The world as built. Nothing is lost.

  2. 1.21.2–1.21.4
    Blocks
    Firefly bush, Leaf litter, Short dry grass, Tall dry grass
  3. 1.21–1.21.1
    Biomes
    Pale Garden becomes plains
    Blocks
    Pale oak leaves, Pale oak logs, Closed eyeblossom, Pale hanging moss, Pale moss block, Pale moss carpet
  4. 1.20.5–1.20.6
    Structures
    Trial chambers
  5. 1.20.2–1.20.4
    Items
    Pre-filled containers (274 stacks) are emptied Apple, Bread, Emerald, Bone, Infested cobblestone, Coal, Potatoes, Flint and more
    Blocks
    Vault
  6. 1.20–1.20.1
    Blocks
    Chiseled tuff, Chiseled tuff bricks, Oxidized copper trapdoor, Polished tuff, Polished tuff slab, Short grass
    +13 more Trial spawner, Tuff bricks, Waxed chiseled copper, Waxed copper bulb, Waxed copper door, Waxed copper grate, Waxed exposed copper bulb, Waxed oxidized chiseled copper, Waxed oxidized copper bulb, Waxed oxidized copper door, Waxed oxidized copper grate, Waxed oxidized copper trapdoor, Waxed weathered copper bulb
  7. 1.19.4and older

    Does not load.

Biome composition

29 biomes 23 land biomes

Shares are measured across the built map, and "not found" means not in the built map. Past its edge the world keeps generating normal vanilla Minecraft chunks, so those biomes can still be found out there.

Land 60.0% of map 23/40 found

  • Badlands 33.6%
  • Bamboo Jungle Missing
  • Beach 7.8%
  • Birch Forest 1.3%
  • Cherry Grove 1.0%
  • Dappled Forest Missing
  • Dark Forest 2.2%
  • Desert 21.6%
  • Eroded Badlands Missing
  • Flower Forest 1.3%
  • Forest 2.2%
  • Frozen Peaks <0.1%
  • Grove Missing
  • Ice Spikes Missing
  • Jagged Peaks Missing
  • Jungle 1.0%
  • Mangrove Swamp 2.0%
  • Meadow 0.2%
  • Mushroom Fields 0.2%
  • Old Growth Birch Forest Missing
  • Old Growth Spruce Taiga Missing
  • Pale Garden <0.1%
  • Plains 12.1%
  • Savanna 1.5%
  • Savanna Plateau Missing
  • Snowy Beach Missing
  • Snowy Plains Missing
  • Snowy Slopes 2.9%
  • Snowy Taiga Missing
  • Sparse Jungle 0.5%
  • Stony Peaks 2.5%
  • Stony Shore 3.9%
  • Sunflower Plains Missing
  • Swamp 1.8%
  • Taiga 0.2%
  • Windswept Forest Missing
  • Windswept Gravelly Hills Missing
  • Windswept Hills <0.1%
  • Windswept Savanna Missing
  • Wooded Badlands Missing

Water 39.4% of map 3/11 found

  • Cold Ocean Missing
  • Deep Cold Ocean Missing
  • Deep Frozen Ocean Missing
  • Deep Lukewarm Ocean Missing
  • Deep Ocean 29.5%
  • Frozen Ocean Missing
  • Frozen River Missing
  • Lukewarm Ocean Missing
  • Ocean 54.2%
  • River 16.3%
  • Warm Ocean Missing

Caves of the cave volume 3/4 found

  • Deep Dark 0.9%
  • Dripstone Caves 0.6%
  • Lush Caves 3.3%
  • Sulfur Caves Missing

Shares are of the cave volume, from the underground scan. See Caves for the full breakdown.

Included Missing

Caves

5/7 found 19.3% of the underground

What this world's caves are made of, by volume, measured from the save in 4 block cells.

Measured under the built map, and "not found" means not under it. Past its edge the world keeps generating normal vanilla Minecraft chunks, so vanilla cave biomes missing here can still be found out there.

  • Deep Dark 0.9%
  • Dripstone Caves 0.6%
  • Ice Caves Missing
  • Lush Caves 3.3%
  • Magma Caves <0.1%
  • Normal Caves 95.1%
  • Sulfur Caves Missing
  • Normal Caves 95.1%
  • Lush Caves 3.3%
  • Deep Dark 0.9%
  • Dripstone Caves 0.6%
  • Magma Caves <0.1%
  • Ice Caves Missing
  • Sulfur Caves Missing
Included Missing

Inferred. These have no biome of their own in Minecraft, so they are named from the blocks around the cave rather than read from the save.

Structure coverage

12 of 20 confirmed

Counted inside the built map. Past its edge the world keeps generating normal vanilla Minecraft chunks, so structures not confirmed here can still generate out there.

Surface 3/8 confirmed

  • Abandoned camps Missing
  • Desert pyramids Included
  • Igloos Missing
  • Jungle pyramids Included
  • Pillager outposts Not checked
  • Swamp huts Missing
  • Trail ruins Included
  • Woodland mansions Missing
  • Desert pyramids Included
  • Jungle pyramids Included
  • Trail ruins Included
  • Abandoned camps Missing
  • Igloos Missing
  • Pillager outposts Not checked
  • Swamp huts Missing
  • Woodland mansions Missing

Underground 5/6 confirmed

  • Amethyst geodes Included
  • Ancient cities Loot only
  • Dungeons / monster rooms Included
  • Mineshafts Included
  • Strongholds Included
  • Trial chambers Included
  • Amethyst geodes Included
  • Dungeons / monster rooms Included
  • Mineshafts Included
  • Strongholds Included
  • Trial chambers Included
  • Ancient cities Loot only

Ocean 2/4 confirmed

  • Buried treasure Missing
  • Ocean monuments Not checked
  • Ocean ruins Included
  • Shipwrecks Included
  • Ocean ruins Included
  • Shipwrecks Included
  • Buried treasure Missing
  • Ocean monuments Not checked

Portal structures 1/1 confirmed

  • Ruined portals Included
  • Ruined portals Included

Settlements 1/1 confirmed

  • Villages Included
  • Villages Included
IncludedLoot onlyNot checkedMissing

* Why these are not confirmed

  • Ancient cities Loot only: its loot table is in this world, but the structure itself was not found.

Loot tables

27 of 41 confirmed

Which of the game's loot tables can turn up on this map, read from the world's own files. Included means the scan found the table itself; missing means neither it nor the structure carrying it was found in the built map.

Counted inside the built map. Past its edge the world keeps generating normal vanilla Minecraft chunks, so tables not seen here can still turn up out there.

Chest loot 15/22 confirmed

  • Abandoned mineshaft Included
  • Ancient city Included
  • Buried treasure chest Missing
  • Desert pyramid Included
  • End City treasure Possible
  • Igloo chest Missing
  • Jungle temple arrow dispenser Missing
  • Jungle temple chest Included
  • Nether fortress bridge Possible
  • Pillager outpost Missing
  • Ruined portal Included
  • Shipwreck map Included
  • Shipwreck supply Included
  • Shipwreck treasure Included
  • Simple dungeon Included
  • Spawn bonus chest Included
  • Stronghold corridor Included
  • Stronghold crossing Included
  • Stronghold library Included
  • Underwater ruin (big) Included
  • Underwater ruin (small) Included
  • Woodland mansion Missing
  • Abandoned mineshaft Included
  • Ancient city Included
  • Desert pyramid Included
  • Jungle temple chest Included
  • Ruined portal Included
  • Shipwreck map Included
  • Shipwreck supply Included
  • Shipwreck treasure Included
  • Simple dungeon Included
  • Spawn bonus chest Included
  • Stronghold corridor Included
  • Stronghold crossing Included
  • Stronghold library Included
  • Underwater ruin (big) Included
  • Underwater ruin (small) Included
  • Buried treasure chest Missing
  • End City treasure Possible
  • Igloo chest Missing
  • Jungle temple arrow dispenser Missing
  • Nether fortress bridge Possible
  • Pillager outpost Missing
  • Woodland mansion Missing

Village chest loot 10/16 confirmed

  • Village armorer Missing
  • Village butcher Missing
  • Village cartographer Missing
  • Village desert house Included
  • Village fisher Missing
  • Village fletcher Included
  • Village mason Included
  • Village plains house Included
  • Village savanna house Included
  • Village shepherd Missing
  • Village snowy house Included
  • Village taiga house Included
  • Village tannery Missing
  • Village temple Included
  • Village toolsmith Included
  • Village weaponsmith Included
  • Village desert house Included
  • Village fletcher Included
  • Village mason Included
  • Village plains house Included
  • Village savanna house Included
  • Village snowy house Included
  • Village taiga house Included
  • Village temple Included
  • Village toolsmith Included
  • Village weaponsmith Included
  • Village armorer Missing
  • Village butcher Missing
  • Village cartographer Missing
  • Village fisher Missing
  • Village shepherd Missing
  • Village tannery Missing

Structure loot 1/2 confirmed

  • Abandoned camp loot Missing
  • Trial chamber loot Included
  • Trial chamber loot Included
  • Abandoned camp loot Missing

Archaeology 1/1 confirmed

  • Archaeology loot Included
  • Archaeology loot Included
IncludedPossibleMissing

* Why these are not confirmed

  • End City treasure Possible: outside the scanned Overworld; the vanilla Nether or End generates it.
  • Nether fortress bridge Possible: outside the scanned Overworld; the vanilla Nether or End generates it.
WHAT THIS WORLD ADDED

What is new in Advent Map 4

  • full node rework for the biomes
  • updated fold mountains to better fit onto the world
  • updated snow layers more, to produce more/better snow slopes ![McMeddons Map Update &amp; Patch History](https://i.postimg.cc/MpSWRKKP/Screenshot-2025-12-03-185501.jpg)
SURVIVAL WORLD CONTENTS Beta Inspector

What’s included in Advent Map 4?

See what this Minecraft world contains. Results combine MCA Selector findings, chunk data, level.dat, and manually placed structure pins.

Beta edition: some results are still being verified.

Seed
Unknown
World type
Unknown

Loading world coverage…
Help

Questions about Advent Map 4

What is Advent Map 4?

Advent Map 4 is a hand-made survival world of 3,072 × 3,072 blocks, made with WorldPainter, World Machine, Gaea, Axiom and WorldEdit, built for Minecraft Java 1.21.5. You download the world folder and play it like any other save, in singleplayer or on your own server.

How big is Advent Map 4?

3,072 × 3,072 blocks, so about 9 million blocks of surface. Walking from one edge to the other takes roughly 12 minutes at normal walking speed. The terrain runs from Y -64 to Y 320.

Outside that area the world keeps generating normal vanilla Minecraft chunks, so you never hit a wall, you just leave the built part behind.

Which Minecraft version does Advent Map 4 need?

Advent Map 4 is made for Minecraft Java 1.21.5 and opens in 1.20 and later. Between the two, anything added after the release you load it in is removed or replaced (new biomes load as plains), so 1.21.5 or newer shows the world as built. Releases older than 1.20 cannot open it.

Bedrock players need a converted copy. See the Bedrock notes in the FAQ.

Which biomes are in Advent Map 4?

29 in total. The land is mostly Badlands (33.6%), Desert (21.6%), Plains (12.1%) and Beach (7.8%), counted as shares of the land rather than of the whole map.

Water covers 39.4% of the map, and land 60.0%.

By volume this world's caves are Normal Caves (95.1%), Lush Caves (3.3%) and Deep Dark (0.9%). The cave breakdown has the rest.

The full breakdown is further up this page, with every biome and its share.

Which structures are in Advent Map 4?

12 of the 20 structure types the scan checks are confirmed present: surface (3/8), underground (5/6), ocean (2/4), portal structures (1/1) and settlements (1/1).

Not confirmed: Abandoned camps (missing), Igloos (missing), Pillager outposts (not checked), Swamp huts (missing), Woodland mansions (missing) and Ancient cities (loot only). "Missing" means the scan looked and it is not in the built map; "loot only" means its chests are here but the structure is not; "possible" means only indirect evidence was found.

The structure list above names every one of them.

Is Advent Map 4 ready to play in survival?

Yes. A scan of the world file confirms loot tables, structures, animals and ores, so the survival loop runs from the first night: chests hold the game's real loot tables, mobs spawn as they do anywhere else, and you can mine, farm and build without adding anything. It plays in vanilla Minecraft, with no mods, no datapacks and no creative mode.

The world contents report at the bottom of this page holds the item-by-item detail.

Where do I download Advent Map 4?

From the download link on Google Drive, also on the button at the top of this page.

Also available: the PlanetMinecraft project page, which carries the release notes and the known issues for this particular build.

What is new in Advent Map 4?

Every world is built on the one before it, and Advent Map 4 brought 3 logged changes into the line: new terrain, new assets and fixes to the generators that made it.

From its list:

  • full node rework for the biomes
  • updated fold mountains to better fit onto the world

The full list is on this page. These are the world's own additions, not patches released after it, so an older download is not missing them.

Can I look at Advent Map 4 before downloading it?

Yes. Open it in the 3D explorer and fly the real terrain in your browser, with the biomes, the caves and the marked structures. Nothing to install.

How do I install Advent Map 4 on Java Edition?

  1. Unpack the archive you downloaded from Google Drive.
  2. Open your saves folder. On Windows press Win + R and enter %appdata%\.minecraft\saves. On macOS it is ~/Library/Application Support/minecraft/saves, on Linux ~/.minecraft/saves.
  3. Move the unpacked folder in. It must be the folder that contains level.dat, not a folder wrapping it.
  4. Restart Minecraft on 1.21.5 or newer and pick the world in singleplayer.

Full install guide

Can I play it on Bedrock, or on a server?

Bedrock needs a converted .mcworld copy, and converted worlds carry their own quirks around spawn, chests and villagers.

For a server, drop the world folder in as the server's world and start it.

Bedrock install · Bedrock quirks · Server use

What may I do with it?

The worlds are released under CC BY-NC 4.0. The Rights panel on this page lists what that allows and how to credit it.

· How to credit · Selling builds