Home›Java›1.21

Minecraft Java 1.21 Mods

Browse 192 free mods for Minecraft Java 1.21 — popular picks include Haunted House, Abandoned Watchtowers, The Afterdark.

Updated daily

FiltersHorror×Nature×Clear all

Sort

Popular Newest A–Z

192 mods

1.21.11fabric

Haunted House

Adds a new Haunted House to Plains, Forest and Dark Forest Biomes

1.9Mdownloads

1.21.4neoforge

Abandoned Watchtowers

Adds abandoned Watchtowers to forest biomes. Perfect for a horror or adventure setting

1.7Mdownloads

1.21.1neoforge

The Afterdark

A truly immersive Deep Dark alternative dimension with many secrets and resources hidden behind. Explore a new world brought to you from the evil of the Deep Dark.

1.4Mdownloads

1.21.6forge

Tense Ambience

This mod enhances the atmosphere of all default dimensions with biome-specific, tense ambient sounds (Perfect for Horror Modpacks).

503kdownloads

1.21.1fabric

Gigeresque

Gigeresque is a horror-themed mod that offers players a dive into the horrific biomechanical world of the xenomorphs, and the mutated realms of the neomorphs, deacons, and goo mutants.

363kdownloads

1.21.1neoforge

Arda's Sculks (Ancient City Portal / Deep Dark Dimension)

Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.

122kdownloads

1.20fabric

Superflat Dimensions

Collection of datapacks that create Superflat Overworld, Nether, and End Dimensions, with all Structures and Biomes.

110kdownloads

1.21.8neoforge

Forgotten Church

Adds a creepy abandoned church with zombies and hidden loot

71kdownloads

1.21.1neoforge

Porky's Legacy: Era of Corruption (HORROR)

Be careful… In the valley you can't distinguish well their motivations when they have been fully consumed by the fog.

42kdownloads

1.18.2forge

Schizophrenia Dweller

the schizophrenia dweller is a scray dweller with new biomes and more ! WARNING : it's scary !

37kdownloads

1.21.1neoforge

Backwoods

A liminal horror adventure mod based on Woodlands

26kdownloads

1.21.1forge

Psychological Horror (Schizo)

Horror Mod that adds mild Schizophrenia and biomes

26kdownloads

1.21

Crimson Curse: Infection

A virus dormant in the Crimson Forests of the Nether escaped to the Overworld. Now with access to water, it began evolving into horrors one could only imagine....

20kdownloads

1.21.1neoforge

Alex's Biome Dimensions

Each biome got it's own dimension you can explore, farm wood in the forest dimension or go hunt for some loot in the Cursed or Deep Dark dimension!

19kdownloads

1.21neoforge

Recipe Integration

Integration for many mods including Ars Nouveau, Biomes O Plenty, Create, Evilcraft, Farmer's Delight, GTCEU, Immersive Engineering, Integrated Dynamics, Mekanism, Powah, and more!

14kdownloads

1.21.11fabric

Ruined Portals Only

Restrict lighting of portals to within a ruined portal structure's bounding box. Makes exploration a must and controls Nether travel. Configurable for Overworld and Nether. Now supports modded structures and biomes!

14kdownloads

1.21.1neoforge

Scary animals

This mod adds new mobs that are vengeful spirits of animals that have been killed too many times, The mod adds ores of these animals as well as a biome where they will no longer appear often.

11kdownloads

1.21.9

Nasir's Mobs Plus

Adds more mobs based on the biome! and maybe some more evil ones...

8.1kdownloads

1.21.1neoforge

Just Enough Null

A fanmod of The Broken Script that adds a Null Biome, Null Blocks and more!

6.7kdownloads

1.21.11fabric

Flying Horror House

Adds a flying horror house to the dark forest biome

6.6kdownloads

1.21.1neoforge

lost in fog [REWORKED]

Adds true analog horror to Minecraft

6.6kdownloads

1.21.11fabric

Biome Shader Switch

🗸 Switches shaders based on the player's current biome. Supports Iris & Oculus shader packs with per-biome, per-height, and fallback shader rules. Auto-detects all biomes including modded ones — zero manual config needed.

5.9kdownloads