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Hollowmarch
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Hollowmarch

by ouheaddd • Downloads: 0 • Followers: 0
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Hollowmarch

Hollowmarch is an exploration-focused Minecraft mod that adds handcrafted structures, custom mobs, atmospheric encounters, and expanded world generation.

The mod is designed to make exploration feel more rewarding while keeping every structure tied to its biome, atmosphere, and purpose.

Currently available for Minecraft 1.20.1 (Forge) and Minecraft 1.21.1 (NeoForge).

Features

Hollowmarch currently includes:

  • Handcrafted structures across many biome types
  • Custom hostile mobs and unique items
  • New paintings to decorate your builds and discoveries
  • Custom enchantments with unique effects
  • Structure-based loot and exploration rewards
  • Atmospheric world generation
  • Compatibility with popular biome mods, including Terralith support
  • Active development and frequent updates

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Required mods:

Structure Gallery

Want to see all structures before discovering them in-game?

Cursed Mansion

A large mansion found in dark forests, taigas, and other gloomy regions.

Cursed Mansion

Desert Obelisk

An ancient desert monument hidden among sands, dunes, and dry wastelands.

Desert Obelisk

Frozen Igloo

A cold shelter found in snowy and frozen biomes.

Frozen Igloo

Jungle Obelisk

An overgrown monument buried in jungles and lush tropical regions.

Jungle Obelisk

Lighthouse

A coastal structure found near oceans, beaches, and shorelines.

Lighthouse

Palm Haven

A warm desert oasis-style structure found in hot and sandy regions.

Palm Haven

Phantome Nest

A mysterious nest-like structure found in eerie, elevated, and forested places.

Phantom Nest

Pirates Fall

A pirate-themed structure.

Pirates Fall

Raid Camp

A hostile camp found across open plains, sparse forests, and traveler routes.

Raid Camp

Sea Obelisk

A strange ocean monument found in deep waters and sea biomes.

Sea Obelisk

Shell House

A small coastal house found around beaches, shores, and tropical coasts.

Shell House

Stone Spire

A tall stone formation found in rocky, mountainous, and rugged terrain.

Stone Spire

Sultan's Bazaar

A desert market filled with villagers, traders, loot, and danger.

Sultan's Bazaar

Cloudbreaker

A massive airship drifting above the world, filled with engineers, rare loot, strange wool, and airborne danger.

Traveler Obelisk

A road-side monument found in open lands, plains, and exploration routes.

Traveler Obelisk

Twin Keep

A tall fortress-like structure found in cold forests, taigas, and dark woodland biomes.

Twin Keep

Development

Hollowmarch is actively being developed. New structures, mobs, biome support, and gameplay features are planned.

Updates will be released frequently, and community feedback is highly appreciated.

If you find bugs or have ideas, please join the Discord server.

Join our Discord

All Versions

+ Add Version
Name Game version Platforms Published Downloads Actions
1.21.1
Neoforge
4mo ago 1
1.20.1
Forge
4mo ago 1
1.21.1
Neoforge
5mo ago 1
1.20.1
Forge
5mo ago 1
1.21.1
Neoforge
5mo ago 1
1.20.1
Forge
5mo ago 1
1.21.1
Neoforge
5mo ago 1
1.20.1
Forge
5mo ago 1
1.21.1
Neoforge
6mo ago 1
1.20.1
Forge
6mo ago 1
1.21.1
Neoforge
6mo ago 1
1.20.1
Forge
6mo ago 1
1.21.1
Neoforge
6mo ago 1
1.20.1
Forge
6mo ago 1
1.21.1
Neoforge
6mo ago 1
1.20.1
Forge
6mo ago 1
1.21.1
Neoforge
6mo ago 1
[1.3.0] Hollowmarch 1.3.0 by ouheaddd on Jul 01, 2026
Download
  • Hollowmarch 1.3.0 is out!**

This update adds a new structure: the Ancient Bastion.

Explore the new bastion, fight through its encounter, and hunt for its loot. This release also includes small structure-related fixes and cleanup to make generation feel better.

Please report bugs and balance feedback in Discord — especially for Ancient Bastion generation and loot.

I am also working on better structure spawning and generation placement, so future structures should feel more natural in the world. This is planned for the next update.
[1.3.0] Hollowmarch 1.3.0 by ouheaddd on Jul 01, 2026
Download
  • Hollowmarch 1.3.0 is out!**

This update adds a new structure: the Ancient Bastion.

Explore the new bastion, fight through its encounter, and hunt for its loot. This release also includes small structure-related fixes and cleanup to make generation feel better.

Please report bugs and balance feedback in Discord — especially for Ancient Bastion generation and loot.

I am also working on better structure spawning and generation placement, so future structures should feel more natural in the world. This is planned for the next update.
[1.2.2] Hollowmarch 1.2.2 by ouheaddd on Jun 11, 2026
Download
  • Hollowmarch 1.2.2 — Micro Hotfix Changelog**

  • Structure Generation**
Reworked structure sets to reduce overlapping structure spawns. Structures are now grouped more cleanly by type and biome category.

  • Biome Compatibility**
Updated structure biome rules to use broader biome tags where possible, improving compatibility with modded biomes.

  • Loot Tables**
Fixed and adjusted several structure loot tables.
[1.2.2] Hollowmarch 1.2.2 by ouheaddd on Jun 11, 2026
Download
  • Hollowmarch 1.2.2 — Micro Hotfix Changelog**

  • Structure Generation**
Reworked structure sets to reduce overlapping structure spawns. Structures are now grouped more cleanly by type and biome category.

  • Biome Compatibility**
Updated structure biome rules to use broader biome tags where possible, improving compatibility with modded biomes.

  • Loot Tables**
Fixed and adjusted several structure loot tables.
[1.2.1] Hollowmarch 1.2.1 by ouheaddd on Jun 05, 2026
Download
  • Hollowmarch 1.2.1 is out!**

All bugs reported in the comments or over in Discord’s #bug-reports channel have PROBABLY been fixed : )

I’m not going to pretend I remember every single one by name—there were a lot, and my brain has respectfully left the building—but the important stuff should be handled now.

This includes fixes for creative section/tooltips, compatibility with FancyMenu, ItemRarity, tooltip-related mods and similar UI mods, the snowball bug, weird marker interaction issues, and a few other gremlins hiding in the walls.

Also, the Minecraft 1.20.1 version should now work on Forge 47.3.0+, so you shouldn’t need to be locked to newer 47.4.x builds anymore.

If something still breaks, throw it into #bug-reports. The war continues.
[1.2.1] Hollowmarch 1.2.1 by ouheaddd on Jun 05, 2026
Download
  • Hollowmarch 1.2.1 is out!**

All bugs reported in the comments or over in Discord’s #bug-reports channel have PROBABLY been fixed : )

I’m not going to pretend I remember every single one by name—there were a lot, and my brain has respectfully left the building—but the important stuff should be handled now.

This includes fixes for creative section/tooltips, compatibility with FancyMenu, ItemRarity, tooltip-related mods and similar UI mods, the snowball bug, weird marker interaction issues, and a few other gremlins hiding in the walls.

Also, the Minecraft 1.20.1 version should now work on Forge 47.3.0+, so you shouldn’t need to be locked to newer 47.4.x builds anymore.

If something still breaks, throw it into #bug-reports. The war continues.
[1.2.0] Hollowmarch 1.2.0 by ouheaddd on May 28, 2026
Download
  • Hollowmarch 1.2.0 — Content Update Changelog**

  • Loot Balance**
Strongly reduced structure chest loot across multiple loot tables. Some rewards should now feel rarer and more earned, but feedback is very welcome if anything feels too weak or still too generous.

  • New Structure: Cloudbreaker**
Added the Cloudbreaker, a new large airship structure with its own loot, encounters, and atmosphere.

  • New Mob: Gearsmith**
Added the Gearsmith, a new hostile Create-themed mob found in Cloudbreaker-related encounters.

  • Engineer Villager Profession**
Added the Engineer villager profession, connected to Create-themed trading and engineering items.

  • New Functional Block: Launcher**
Added the Launcher, a new functional block that can launch fireworks using different modes.

  • Air Wool**
Added Air Wool, a new custom wool block type with unique falling-through behavior.

  • Loot Table and Structure Fixes**
Fixed multiple loot table issues and cleaned up several structure NBT problems.

  • Server and Debug Fixes**
Disabled debug behavior in several structures that could cause server timeouts and console spam. Sorry for the noise — this should now be much cleaner.

  • Minor Fixes**
Fixed various smaller recipe, resource, structure, and compatibility issues. The custom hoe enchantment is now incompatible with Mending.

  • Feedback**
Please report bugs and share balance feedback in Discord. It helps a lot, especially for loot balance and Cloudbreaker generation.
[1.2.0] Hollowmarch 1.2.0 by ouheaddd on May 28, 2026
Download
  • Hollowmarch 1.2.0 — Content Update Changelog**

  • Loot Balance**
Strongly reduced structure chest loot across multiple loot tables. Some rewards should now feel rarer and more earned, but feedback is very welcome if anything feels too weak or still too generous.

  • New Structure: Cloudbreaker**
Added the Cloudbreaker, a new large airship structure with its own loot, encounters, and atmosphere.

  • New Mob: Gearsmith**
Added the Gearsmith, a new hostile Create-themed mob found in Cloudbreaker-related encounters.

  • Engineer Villager Profession**
Added the Engineer villager profession, connected to Create-themed trading and engineering items.

  • New Functional Block: Launcher**
Added the Launcher, a new functional block that can launch fireworks using different modes.

  • Air Wool**
Added Air Wool, a new custom wool block type with unique falling-through behavior.

  • Loot Table and Structure Fixes**
Fixed multiple loot table issues and cleaned up several structure NBT problems.

  • Server and Debug Fixes**
Disabled debug behavior in several structures that could cause server timeouts and console spam. Sorry for the noise — this should now be much cleaner.

  • Minor Fixes**
Fixed various smaller recipe, resource, structure, and compatibility issues. The custom hoe enchantment is now incompatible with Mending.

  • Feedback**
Please report bugs and share balance feedback in Discord. It helps a lot, especially for loot balance and Cloudbreaker generation.
Small patch: fix crash in Creative Tab (NeoForge)
[1.1.2] Hollowmarch 1.1.2 by ouheaddd on May 15, 2026
Download
  • Hollowmarch 1.1.2 — Hotfix Changelog**

  • Loot Balance**
Made another small loot balance pass. Structure chest loot has been slightly reduced again, mainly targeting valuable vanilla rewards.

  • Forge 1.20.1 Creative Tab Fix**
Fixed an issue on Forge 1.20.1 where Creative Tab divider items could still be selected or taken.

  • Create Mechanisms**
Restored working Create mechanisms in some structures with additional stability adjustments.
[1.1.2] Hollowmarch 1.1.2 by ouheaddd on May 15, 2026
Download
  • Hollowmarch 1.1.2 — Hotfix Changelog**

  • Loot Balance**
Made another small loot balance pass. Structure chest loot has been slightly reduced again, mainly targeting valuable vanilla rewards.

  • Forge 1.20.1 Creative Tab Fix**
Fixed an issue on Forge 1.20.1 where Creative Tab divider items could still be selected or taken.

  • Create Mechanisms**
Restored working Create mechanisms in some structures with additional stability adjustments.
[1.1.1] Hollowmarch 1.1.1 by ouheaddd on May 09, 2026
Download
  • Hollowmarch 1.1.1 — Hotfix Changelog**

  • Forge 1.20.1 Fix**
Fixed an issue where the Forge 1.20.1 version could fail to launch because of an incorrect build. Sorry about that.

  • Structure Generation**
Improved structure placement checks. Structures should now avoid deep holes, canyon edges, and very steep slopes more reliably.

  • Create Mechanisms**
Disabled some Create mechanisms in certain structures for now, as they could break during world generation. If anyone knows a reliable fix, let me know.

  • Minor Fixes**
Small cleanup and stability improvements.

[1.1.1] Hollowmarch 1.1.1 by ouheaddd on May 09, 2026
Download
  • Hollowmarch 1.1.1 — Hotfix Changelog**

  • Forge 1.20.1 Fix**
Fixed an issue where the Forge 1.20.1 version could fail to launch because of an incorrect build. Sorry about that.

  • Structure Generation**
Improved structure placement checks. Structures should now avoid deep holes, canyon edges, and very steep slopes more reliably.

  • Create Mechanisms**
Disabled some Create mechanisms in certain structures for now, as they could break during world generation. If anyone knows a reliable fix, let me know.

  • Minor Fixes**
Small cleanup and stability improvements.
[1.1.0] Hollowmarch 1.1.0 by ouheaddd on May 08, 2026
Download
  • Hollowmarch 1.1.0 — Patch Changelog**

  • Loot Balance**
Reduced structure chest loot. Rare and powerful rewards now appear less often, while existing loot entries remain intact.

  • Terralith Support**
Added optional Terralith biome support and adjusted biome placement for several structures to better match their themes.

  • Creative Tab Rework**
Reworked the Creative Tab layout with visual category dividers and clearer item grouping.

  • Localization**
Added localization support for 12 languages.

  • Minor Fixes**
Fixed several small recipe, resource, and compatibility issues, plus general cleanup and polish.
[1.1.0] Hollowmarch 1.1.0 by ouheaddd on May 08, 2026
Download
  • Hollowmarch 1.1.0 — Patch Changelog**

  • Loot Balance**
Reduced structure chest loot. Rare and powerful rewards now appear less often, while existing loot entries remain intact.

  • Terralith Support**
Added optional Terralith biome support and adjusted biome placement for several structures to better match their themes.

  • Creative Tab Rework**
Reworked the Creative Tab layout with visual category dividers and clearer item grouping.

  • Localization**
Added localization support for 12 languages.

  • Minor Fixes**
Fixed several small recipe, resource, and compatibility issues, plus general cleanup and polish.
[1.0.0] Hollowmarch 1.0.0 by ouheaddd on May 05, 2026
Download
## Initial Release

  • Added the first public version of Hollowmarch
  • Added handcrafted structures across many biome types
  • Added custom mobs and structure encounters
  • Added structure-based loot and exploration rewards
  • Added much custom items
  • Added Forge 1.20.1 and NeoForge 1.21.1 support
  • Added compatibility support for popular biome mods

Hollowmarch will continue to receive frequent updates with new structures, mobs, balance changes, and biome support.
[1.0.0] Hollowmarch 1.0.0 by ouheaddd on May 05, 2026
Download
## Initial Release

  • Added the first public version of Hollowmarch
  • Added handcrafted structures across many biome types
  • Added custom mobs and structure encounters
  • Added structure-based loot and exploration rewards
  • Added much custom items
  • Added Forge 1.20.1 and NeoForge 1.21.1 support
  • Added compatibility support for popular biome mods

Hollowmarch will continue to receive frequent updates with new structures, mobs, balance changes, and biome support.

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