Yes. Zombie Break & Build is free to download from Modrinth. Its license is LGPL-3.0-only.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

Zombie Break & Build — Minecraft Mods

From Modrinth

Allows zombies (and other mobs) to break and place blocks to reach their target!

Zombies Break & Build mod enhances zombies (and optionally other mobs) by giving them the ability to break and place blocks.

Zombies (and other mobs) can
Break and place blocks.
(Optional) See targets through walls.
(Optional) Always see the nearest player.
(Optional) Placed blocks by zombies can disappear and broken blocks can be restored over time.
Flexible mob support via the config.
Customizable balance settings in the config.

Install a compatible mod loader (Fabric/Forge/NeoForge).
Download and put the mod .jar in [your server folder]\mods\ folder. Or if you are playing in single-player, put in your local [your minecraft folder]\mods\ folder.
(Optional) Configure config _(The config file is located at [your server folder]\config\zombies-break-build.toml, or if you are playing in single-player, look in your local [your minecraft folder]\config\ directory.)_.

This mod will make your zombie/apocalypse mod pack more difficult!

From source data

Supports 8 Minecraft versions, the newest being 26.3.

Runs on Fabric, Forge and NeoForge.

Rated a light load on a server.

From our catalogue

One-click install: Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
Server side: Required on the server
Server type needed: Fabric, Forge, NeoForge
Server load: light
Smallest plan we suggest: Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
Latest build: 26.3-1.7.0-neoforge, released 2026-09-22

From 5 recorded builds of Zombie Break & Build.

Build	Released	Game versions	Loaders
26.3-1.7.0-neoforge	2026-09-22	26.3	NeoForge
26.3-1.7.0-fabric	2026-09-22	26.3	Fabric
26.3-1.7.0-forge	2026-09-22	26.3	Forge
26.2-1.7.0-neoforge	2026-09-18	26.2	NeoForge
26.2-1.7.0-fabric	2026-09-18	26.2	Fabric

Declared by the newest build that lists any. Required ones are installed with it on one-click installs.

Pick a server or deploy a new one above; it is installed in one click.

From the catalog

Listed on Modrinth as “Mods”

Adds or changes creatures, NPCs and how they behave.

From source side support

Modrinth lists Zombie Break & Build as required on the server. Check its Modrinth page to see whether players need it too.