Mebahel's Zombie Horde

Turn ordinary nights into survival events with coordinated zombie hordes, shared aggression, destructive AI, biome-aware compositions, progressive difficulty, and extensive configuration.

Minecraft: Check the Files tab for currently supported versions
Loaders: Fabric, Quilt, Forge, and NeoForge (with Syntra Connector & Forgified Fabric API)

The dead no longer wander alone.

Mebahel's Zombie Horde adds recurring survival events where groups of undead spawn together, travel toward a shared destination, and react as a single threat. If one member discovers a player, the entire horde is alerted.

These are not ordinary Minecraft zombies appearing one by one around your base. Horde members can coordinate their aggression, break through selected defenses, appear with different equipment and compositions, and become more dangerous as your world progresses.

The system is highly configurable, making it suitable for anything from occasional roaming groups to a much harsher survival experience built around preparing for the next attack.

If you enjoy the mod, use the Follow button on CurseForge to be notified about future updates and improvements.

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Why Play Zombie Horde?

• Coordinated hordes: Zombies spawn as groups and move toward a shared destination instead of behaving like unrelated random spawns.
• Shared awareness: One zombie spotting a player can alert the entire horde.
• Destructive AI: Horde members can break glass, fences, and gates when enabled.
• Biome-aware compositions: Different biomes can use different mobs and equipment pools.
• Modded mob support: Horde compositions can include entities from other mods.
• Progressive difficulty: Visiting the Nether can permanently make future hordes more dangerous.
• Rare elite hordes: Some groups can appear with weapons and armor while ordinary hordes remain more common.
• Safer world spawning: Surface hordes look for solid ground, enough space, and open sky before spawning.
• Extensive configuration: Control timing, size, health, equipment, spawn chance, dimensions, biomes, aggression, and more.

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Coordinated Horde Events

Hordes appear at configurable intervals and move together toward a common destination.

Instead of forcing every encounter directly onto the player, a horde exists as a group in the world. That group can become a serious threat the moment one member notices you.

Shared Awareness

If one horde member detects a player, the entire horde is alerted and begins attacking.

This makes scouting and positioning more important. Pulling one zombie from a group can quickly turn into a much larger encounter.

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Breakable Defenses

Depending on your configuration, horde members can destroy selected defensive blocks to reach their target.

Supported destructive behavior includes:

• Breaking glass.
• Breaking fences.
• Breaking fence gates.

This means simple vanilla barriers may no longer be enough to stop an incoming horde.

The behavior can be disabled individually if you prefer a less destructive survival experience.

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Progressive Difficulty

Zombie Horde can make the world more dangerous as the player progresses.

When the difficulty system is enabled, visiting the Nether permanently increases future horde difficulty.

This allows early-game hordes to remain manageable while making later attacks more threatening once the player has reached stronger equipment and resources.

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Biome-Aware Hordes

Hordes can adapt to the biome where they appear.

By default, Overworld hordes can use zombies across most biomes, while deserts and badlands can favor husks.

Biome-specific compositions take priority when available, and horde members remain associated with their leader's biome.

Custom compositions can define:

• Allowed dimensions.
• Allowed biomes.
• Weighted mob types.
• Armor probability.
• Weighted armor choices.

This system can also use entities from other mods, allowing modpacks to build completely custom horde ecosystems.

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Rare Elite Hordes

Not every attack has the same strength.

Some hordes can appear with weapons and armor, while ordinary hordes remain more common.

Weighted equipment pools allow stronger or rarer gear to appear without making every group feel identical.

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Safer Surface Spawning

Overworld hordes attempt to spawn in locations that make sense for a large group.

The system checks for:

• Solid ground.
• Enough room for the horde.
• Open sky.

If no suitable position can be found, the spawn attempt is skipped instead of forcing mobs into invalid or broken locations.

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Highly Configurable

Zombie Horde is designed to work for both normal survival worlds and heavily customized modpacks.

The main configuration file is:

mebahel-zombie-horde_config.json

Important options include:

Option	Purpose
spawnInDayLight	Controls whether hordes can spawn without burning in daylight.
enableDifficultySystem	Enables the permanent post-Nether difficulty increase.
hordeSpawning	Completely enables or disables horde spawning.
hordeSpawnDelay	Controls the delay between horde spawn attempts.
hordeSpawnChance	Controls the chance that a horde actually spawns during a cycle.
randomNumberHordeReinforcements	Adds a random number of extra mobs to a horde.
hordeNumber	Controls how many hordes may exist at the same time.
hordeMemberBonusHealth	Adds bonus health to every horde member.
hordeMemberBreakGlass	Allows horde members to break glass.
hordeMemberBreakFence	Allows horde members to break fences and gates.
showHordeSpawningMessage	Displays horde spawn coordinates in chat.

Spawn Delay

In current versions using the newer delay format:

"hordeSpawnDelay": [15, "minute"]

Older versions used:

"hordeSpawnDelay": 15

The delay can be expressed in minutes or days depending on the version and configuration format.

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Custom Horde Compositions

Horde composition is data-driven and can be adapted to different dimensions, biomes, mobs, and equipment.

Example:

{
  "hordeCompositions": [
    {
      "weight": 1,
      "dimensions": [
        "minecraft:overworld"
      ],
      "biomes": [
        "minecraft:desert",
        "minecraft:badlands"
      ],
      "mobTypes": [
        {
          "id": "minecraft:husk",
          "weight": 1,
          "spawnWithArmorProbability": 0.65,
          "armor": {
            "head": [
              { "itemId": "minecraft:iron_helmet", "weight": 3 },
              { "itemId": "minecraft:chainmail_helmet", "weight": 1 }
            ],
            "chest": [],
            "legs": [],
            "feet": []
          }
        }
      ]
    }
  ]
}

How It Works

• Higher weight values make a composition or mob type more likely to be selected.
• biomes restricts a composition to the listed biomes.
• Omit biomes to allow the composition in every biome of the configured dimensions.
• spawnWithArmorProbability controls the armor chance for each configured slot.
• Armor entries use relative weights and do not need to add up to a fixed total.
• If armor is omitted, the existing random iron armor behavior is used.

SCREENSHOT: TWO OR THREE DIFFERENT HORDE COMPOSITIONS IN DIFFERENT BIOMES

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In-Game Commands

Available in v1.0.13 and newer:

/mebahelzombiehorde spawnhorde

Manually spawns a horde.

/mebahelzombiehorde reloadconfig

Reloads the configuration file.

/mebahelzombiehorde nextspawn

Displays the time until the next possible horde spawn.

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Installation and Dependencies

Always use dependency versions compatible with the Minecraft version of the Zombie Horde file you download.

Fabric

Required:

• Fabric API

Forge / NeoForge

Forge and NeoForge run the Fabric version through Sinytra Connector and require:

• Sinytra Connector
• Forgified Fabric API

Check that the Connector version you install supports your chosen Minecraft and loader version.

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Compatibility

Zombie Horde is designed to work well in modded survival setups.

Modded Entities

Custom horde compositions can reference entities from other mods, allowing pack creators to replace or mix vanilla zombies with their own hostile mobs.

Modded Equipment

Weighted equipment pools can be customized to fit the progression and balance of a larger modpack.

Dimensions and Biomes

Compositions can be restricted by dimension and biome, allowing different horde identities in different parts of the world.

SCREENSHOT: MODDED MOB INCLUDED IN A CUSTOM HORDE

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Modpack Information

Yes, Zombie Horde can be included in modpacks.

The mod is especially suited to survival, horror, difficulty, progression, and apocalypse-themed packs.

Modpack authors can customize:

• Horde frequency.
• Spawn chance.
• Horde size and reinforcement count.
• Number of simultaneous hordes.
• Health scaling.
• Post-Nether difficulty.
• Destructive behavior.
• Dimensions and biomes.
• Mob selection.
• Modded entities.
• Armor probability.
• Weighted equipment choices.

This makes it possible to use Zombie Horde as a light survival event system or as one of the central threats of an entire modpack.

When publishing a pack, link back to the official Zombie Horde project page so players can easily find updates and documentation.

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Continue the Adventure

Zombie Horde is part of the growing collection of Mebahel Minecraft mods.

Mebahel's RPG: Villager Quests & Companions

Turn villages into RPG hubs with branching stories, repeatable contracts, recruitable companions, rumors, a quest journal, and a full quest map.

View Villager Quests & Companions on CurseForge

Mebahel's Creatures: Draugr Invasion

Explore Nordic ruins, fight intelligent Draugr, solve dungeon challenges, defeat the Draugr Overlord, and trigger a repeatable invasion that hunts the player.

View Draugr Invasion on CurseForge

Mebahel's Creatures: Dwarven Automatons

Explore ancient Dwemer-inspired ruins, battle mechanical constructs, recover Dwarven technology, and summon mechanical companions.

View Dwarven Automatons on CurseForge

View all Mebahel projects

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Join the Mebahel Community

Zombie Horde is actively developed.

Join the community to share survival stories, suggest new horde behaviors, report issues, discuss balancing, and follow future development.

Join the Mebahel Discord

Following the mod, leaving constructive feedback, sharing screenshots or videos, and recommending it to other players all help the project grow.

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Support Development

Zombie Horde and the other Mebahel projects continue to receive new features, improvements, compatibility work, and balancing updates.

If you would like to directly support future development:

• Support Mebahel on Patreon
• Support Mebahel on Ko-fi

Support is completely optional. Playing the mod, following the project, reporting issues, leaving feedback, and sharing it with other players already helps a lot.

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Zombie Horde is an unofficial Minecraft mod and is not affiliated with or endorsed by Mojang Studios.