Bloodmoon Horde Survival

Quickstart

1. Install the .mcaddon and apply both the behavior and resource packs to your world (Experimental gameplay may be required for scripting).
2. Play on Easy difficulty or higher — the horde only activates on Easy through Hard.
3. Survive your first night. The moment night falls, waves of Bloodrot Zombies begin spawning around you. Watch the action bar at the top of your screen for live stats.
4. To explore the new biome immediately, run: /locate biome com_bloodmoon_zombie_wastes_kworzile:bloodmoon_wastes
5. To test enemies without waiting for nightfall, use a Bloodrot Zombie Spawn Egg (available in the Creative inventory).

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Overview

Bloodmoon Horde Survival transforms your Minecraft world into a zombie apocalypse that escalates every night. A script-driven horde controller tracks how many nights you have survived and sends increasingly dangerous waves of custom zombies at you. Every seventh night, the sky turns blood-red, thunder rolls in, and nighttime is locked — a Blood Moon event that pushes the challenge to its limit.

A custom overworld biome, the Bloodmoon Wastes, provides a permanent eerie backdrop: twisted water, grass, and foliage colors, heavy fog, and unique surface terrain.

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What It Adds

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How To Use

Reading the HUD

Every second, your action bar updates with three pieces of information:

Bloodmoon Night 3  |  Horde 7/24  |  Next wave 18s

• Night number — how many nights you have survived so far.
• Horde count — Bloodrot Zombies currently within 48 blocks of you, out of the 24-zombie cap.
• Next wave timer — seconds until the next wave spawns.

During a Blood Moon, BLOOD MOON appears in red next to the night number.

Surviving the Night

Waves spawn around you (18–34 blocks away) automatically while it is night. The wave size starts at 3–4 zombies and grows by roughly 1 extra zombie for every 2 nights survived. Up to 24 Bloodrot Zombies can be active near you at once.

Wave cooldowns shorten as nights progress — early nights give you about 32 seconds between waves, but that window shrinks by roughly 2 seconds per night.

Defending Yourself

Be cautious with basic building materials as defenses. Bloodrot Zombies actively break through common blocks including wooden doors, planks, logs, stone, cobblestone, dirt, sand, and sandstone. Any zombie adjacent to these blocks has a 20% chance each second to destroy a small area of them. Stone walls, deeper defenses, or non-breakable blocks are more reliable.

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Abilities And Mechanics

Bloodrot Zombie Variants

Every Bloodrot Zombie is assigned a persistent variant number (1–999,999) displayed in its name tag (e.g., Bloodrot Zombie #482301). This number determines its base stats:

These are base levels. Additional bonuses are added at night and during Blood Moons (see below).

Night Buffs

While it is night, all Bloodrot Zombies receive:

• +1 Speed amplifier
• +1 Strength amplifier
• Resistance I

Blood Moon Buffs (Every 7th Night)

During a Blood Moon, every Bloodrot Zombie also gains:

• +1 additional Speed
• +2 additional Strength (on top of the night bonus)
• Resistance III (instead of Resistance I)
• Regeneration II
• Glowing particle effects

On-Hit Effects

When a Bloodrot Zombie strikes you or another entity:

• If its variant number is divisible by 7, it inflicts Wither I for 5 seconds.
• During a Blood Moon, every hit also applies Slowness II for 4 seconds.

Blood Moon Event Details

• Triggers automatically on night 7, 14, 21, etc.
• Nighttime is locked — the sky will not transition to day until the event ends.
• Thunder storms for the entire event.
• Wave size increases by 6 extra zombies per wave.
• Wave cooldown drops to roughly 8–14 seconds between waves.

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The Bloodmoon Wastes Biome

The Bloodmoon Wastes is a custom overworld biome that replaces some plains areas. It features:

• Twisted, sickly water, grass, and foliage colors
• Heavy foggy ambience
• Custom surface and subsurface materials

Bloodrot Zombies spawn naturally here in groups of 2–4 during low-light conditions (light level 0–7), on the surface and underground, making it dangerous to explore at any time of day.

To teleport to the nearest Bloodmoon Wastes, use:

/locate biome com_bloodmoon_zombie_wastes_kworzile:bloodmoon_wastes

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Drops And Rewards

Bloodrot Zombies always drop:

• Rotten Flesh (0–2, +1 with Looting)

On kill by a player or tamed pet, there is also a ~2.5% chance (improved by Looting) of dropping one of:

• Iron Ingot
• Carrot
• Potato

Adult Bloodrot Zombies award 5 XP on death (plus bonus XP for any equipped gear). Baby variants award 12 XP.

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Progression And Strategy

Key tips:

• Watch the Next wave timer and reposition before each wave lands.
• High variant-number zombies (750k+) move at maximum speed — identify them by their name tag and prioritize eliminating them.
• Looting-enchanted weapons significantly improve rare drop rates from kills.
• Build defenses from materials not on the breakable list (e.g., deepslate, stone bricks, obsidian) for reliable walls.
• During Blood Moons, spread out if playing multiplayer — each player draws their own horde cap of 24 zombies.