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Mortui

by alfuwu

Mortui turns players into undead after they are killed by zombies, changing how the character moves, eats and interacts with the world.

FabricForgeQuiltClient and serverMIT LicenseOpen source1.18 – 1.20.4

What it does

A player who is killed by a zombie does not simply respawn as a player. Becoming a zombie is a simple process, and the term zombie also covers other zombified players. Mortui's zombie state changes the hotbar, so the offhand item is reduced to the mainhand item. Undead players are incapable of interacting with villagers and burn in daylight like other monsters, which means they must find another way to survive.

Food works differently for an undead player. Golden apples and rotten flesh behave as usual, but other detrimental foods give hunger status. Undead players can gain food by attacking other players and villagers. The mod also makes the undead player unable to swim, though the body still bobs in water. Curing oneself follows the same route as a zombie villager, and the weakness status effect is the counter used with a golden apple.

Mortui requires Architectury API, Cardinal Components API and Fabric API. Client rendering of effects such as zombie arms and shaders is technically required, so the mod works only where it is installed on the client. Every player and the server need a copy of the mod. Files are published for Fabric, Forge and Quilt across 13 release versions, 1.18 – 1.20.4.

Key features

  1. Zombie transformation

    A player killed by a zombie becomes undead, and the state can spread to other players.

  2. Altered hotbar

    The undead state reduces the hotbar so the offhand item no longer works separately from the mainhand item.

  3. Restricted interaction

    Undead players cannot interact with villagers and burn in daylight, as hostile monsters do.

  4. Hunger and curing

    Detrimental food gives hunger, while attacking players or villagers supplies food, and curing uses the zombie villager process with a weakness effect and a golden apple.

Compatibility

Latest build for each game version and loader.

1.20.x5 of 5 versions with builds
1.20.43.1-1.20.4Not available3.1-1.20.4
1.20.33.1-1.20.4Not available3.1-1.20.4
1.20.23.1-1.20.1Not available3.1-1.20.1
1.20.13.1-1.20.1Not available3.1-1.20.1
1.203.1-1.20.1Not available3.1-1.20.1
1.19.x5 of 5 versions with builds
1.19.43-1.19.4Not available3-1.19.4
1.19.33-1.19.2Not available3-1.19.2
1.19.23-1.19.2Not available3-1.19.2
1.19.13-1.19.2Not available3-1.19.2
1.193-1.19.2Not available3-1.19.2
1.18.x3 of 3 versions with builds
1.18.23-1.18.23-1.18.2-forge3-1.18.2
1.18.13-1.18.23-1.18.2-forge3-1.18.2
1.183-1.18.23-1.18.2-forge3-1.18.2
ReleaseBetaAlphaNot available

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

Requirements

Dependencies declared by the latest file for each loader.

Required 2

Cardinal Components APIA data attachment API that is easy, modular, and extremely fast.
Required
Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Use cases

Who it’s for: Players who want a horror-themed survival change, and server owners who run a world where undead players fit the setting.

How it compares

Full comparison

Adult Zombies Only is server required with client optional, released under the MIT License, and covers 1.20.3 – 26.2 for Fabric, Forge, NeoForge and Quilt. Zombie Proof Doors is server-side only and covers 1.16.5 – 26.3 on the same loaders, but under All rights reserved.

ModLoadersGame versionsEnvironmentUpdated
MortuiFabric, Forge and Quilt1.18 – 1.20.4Client and server2025-11-19
Adult Zombies OnlyFabric, Forge, NeoForge and Quilt1.20.3 – 26.2Server required, client optional2026-06-17
Zombie Proof DoorsFabric, Forge, NeoForge and Quilt1.16.5 – 26.3Server-side only2026-10-01

Questions

Does Mortui need Fabric API?

Yes. Fabric API is required, along with Architectury API and Cardinal Components API, and all three must be installed with Mortui.

Does Mortui have to be installed on both sides?

Yes. Servers that run it need every player to install it too.

Which versions does Mortui support?

Files cover 1.18 – 1.20.4, and the latest Forge file is for 1.18.2, while Fabric and Quilt have their latest files for 1.20.4.

In the catalog

Mortui is one of 7,555 Cursed mods on ModsFinder, and one of 4,235 Cursed mods for Fabric. 13,907 mods support Minecraft 1.20.4.

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What the author says

This mod requires Cardinal Components API for Fabric versions and Architectury for Forge versions. In Minecraft, villagers can become zombies when killed by other zombies. The player, on the other hand, cannot. I thought it would be a neat mechanic to implement, and so this mod was created.
alfuwu, on the Modrinth page

Official listing

Owner
alfuwu
Published
2024-02-25
Updated on Modrinth
2025-11-19
Facts verified
2026-10-15

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