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Zombie Apocalypse Addon

by Riqqqque

Players who want daytime to stay dangerous can run Zombie Apocalypse Addon on a Forge or NeoForge server, where custom zombie waves, hordes and blood moons are configured.

ForgeNeoForgeServer required, client optionalAll rights reserved1.18.2 – 1.21.1

What it does

The server must run the addon, but players may join without it, so only the server side is required. Singleplayer also works with the addon installed, since singleplayer starts a local server. Builds exist for Forge and NeoForge across the 1.18.2, 1.20.1 and 1.21.1 game versions, with 1.9.0 for 1.20.1 and 2.6.0 for 1.21.1 as the latest files. The code is not open source, and the addon is released under All rights reserved.

Day-based difficulty, optional siege behavior and kill milestones shape how the zombie threat grows over a run. A dashboard opened with /za shows the current day, waves, light protection, events, scaling and world-pressure options. Presets such as Casual and Standard set a balance in one step, and Standard suits most survival servers. Safe defaults keep the riskiest actions switched off until an operator enables them.

Settings are read and changed through /za, with help topics and tab suggestions for states, values and blocks. Changes require permission level 2, while read-only dashboards and status pages are open to everyone. Mushroom-field safe zones and fixed-time dimensions are handled separately, so the Nether and End are not given a permanent night boost.

Key features

  1. Custom zombie waves

    Waves spawn a set number of zombies at a chance per interval, with a per-player cap on nearby pressure.

  2. Blood moons and events

    Blood moon nights and natural events add timed pressure on top of the normal day-night cycle.

  3. Light-based spawn control

    Player-built torches and lanterns block custom waves by default, and a command can turn that check off.

  4. Day-based scaling

    Difficulty rises with the in-game day, and a Casual preset adds a grace period through day ten.

  5. Kill milestones

    Kill counts trigger progression steps that can be read on the status pages.

Compatibility

Latest build for each game version and loader.

1.21.1Not available2.6.0
1.20.11.9.01.9.0
1.18.21.0.0Not available
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

How it compares

Full comparison

Baby Horde Moon 2 is NeoForge only, for 1.21.1, and needs both the server and client installed, with All rights reserved. The Apocalyptic Zombies is NeoForge only for 1.21.1 with the same environment and license. ZombiesEverywhere supports Forge and NeoForge for 1.20.1 – 26.1.2 and is not open source. Zombie Apocalypse Addon is server required with client optional, so players need nothing installed, while the alternatives listed here all require a client install as well.

ModLoadersGame versionsEnvironmentUpdated
Zombie Apocalypse AddonForge and NeoForge1.18.2 – 1.21.1Server required, client optional2026-10-13
Baby Horde Moon 2NeoForge1.21.1Client and server2026-09-01
The Apocalyptic ZombiesNeoForge1.21.1Client and server2026-09-03
ZombiesEverywhereForge and NeoForge1.20.1 – 26.1.2Client and server2026-10-11

Questions

Does Zombie Apocalypse Addon need to be installed on the client?

No. The server must run it, and players may join without it. Singleplayer also works with the addon installed on the client.

Which game versions have files for Zombie Apocalypse Addon?

Files exist for 1.18.2, 1.20.1 and 1.21.1, with the latest Forge file at 1.9.0 for 1.20.1 and the latest NeoForge file at 2.6.0 for 1.21.1.

Can torches stop the custom zombie waves?

Yes, by default player-built lights block custom waves. A command turns the block-light check off, and /za spawn daytime off disables daytime waves.

In the catalog

Zombie Apocalypse Addon is one of 17,631 Equipment mods on ModsFinder, and one of 9,216 Equipment mods for Forge. 32,366 mods support Minecraft 1.21.1.

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What the author says

Turn Minecraft into a configurable zombie survival world where daytime is not automatically safe. Zombie Apocalypse Addon adds custom zombie waves, hordes, blood moons, day-based difficulty, optional siege behavior, kill milestones, and broad zombie-mod compatibility. It works for a simple survival server out of the…
Riqqqque, on the Modrinth page

Official listing

Owner
Riqqqque
Published
2024-03-11
Updated on Modrinth
2026-10-13
Facts verified
2026-10-15

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