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Minecraft Java 1.21 Mods

Browse 200 free mods for Minecraft Java 1.21 — popular picks include GlassPrison, X-Prison Core - Essentials Kits Addon, FozmineAutoCraft LITE | Ultra-Optimized | Next-Gen Automation for Skyblock & Skymine Networks.

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G
1.21spigot

GlassPrison

Glass cage for live streaming, block connection

18downloads
X
1.12spigot

X-Prison Core - Essentials Kits Addon

Eseentials Kits Addon for premium plugin X-Prison Core.

14downloads
F
1.16spigot

FozmineAutoCraft LITE | Ultra-Optimized | Next-Gen Automation for Skyblock & Skymine Networks

Fozmine, AutoCraft, Optimize, free, skyblock, skymine, prison

10downloads
Smoreh's ASSIMILATED Dweller [Supports 1.20.1] [PARASITE] (Horror) (Ambient) (Creepypasta) (Jar) (Scary) (Creepy)
1.20.1forge

Smoreh's ASSIMILATED Dweller [Supports 1.20.1] [PARASITE] (Horror) (Ambient) (Creepypasta) (Jar) (Scary) (Creepy)

Help the Dweller Escape it's Parasitic Agony. (Works for 1.20.1)

1.3Mdownloads
Backrooms!
1.21fabric

Backrooms!

Backrooms in Minecraft, escape alive, if you can...

5.1kdownloads
Mirage- Block Regen Plugin by MageMonkey.studio (formerly ProBlockRegen)
1.16spigot

Mirage- Block Regen Plugin by MageMonkey.studio (formerly ProBlockRegen)

Great for RPG, Prison and any other server!

4.2kdownloads
Escape Room texture -Updated -
1.21.1

Escape Room texture -Updated -

The texture for my escape room

3.3kdownloads
Reactive Music: RuneScape Songpack
1.20.2

Reactive Music: RuneScape Songpack

Runescape Soundpack for Reactive Music

1.5kdownloads
Armor Series - Runescape
1.20.1forge

Armor Series - Runescape

Cosmetic armors from both Runescape 3 and Old School Runescape

1.4kdownloads
Chaos Cubed
1.21.1neoforge

Chaos Cubed

This modpack spawns the player in an infinitely generating world filled with random cubes. Can you escape the never-ending walls?

542downloads
Imperial Prison Dimension
1.21.1neoforge

Imperial Prison Dimension

A mod adding an empty prison dimension and ways to imprison and free lawbreakers and visit the prisoners.

527downloads
Ultimate Player Control & Anti-Escape Plugin
1.16spigot

Ultimate Player Control & Anti-Escape Plugin

Anti Escape, which allows players to be controlled by authorities

412downloads
DevJail
1.18spigot

DevJail

An innovative, efficient and customizable prison system for your server.

138downloads
PinnaPrison | Packet Prison Core - Trial Version
1.20spigot

PinnaPrison | Packet Prison Core - Trial Version

Packet based OP prison core with packet based private mines with lots of features

65downloads
Citadel of Trials Data Pack (1.21.11, 1.20.1) – Conquer Stronghold Vaults
1.21.11

Citadel of Trials Data Pack (1.21.11, 1.20.1) – Conquer Stronghold Vaults

Citadel of Trials Data Pack transforms classic strongholds into dangerous underground fortresses packed with combat challenges and rewards. It replaces old stronghold layouts with detailed rooms like barracks, crypts, jails, and multi-level libraries. You face active mob spawners and unlock special vaults to gather equipment before entering the End. This data pack gives players a […]

Voidlock Genesis Overdrive Modpack (1.21.1) – Survive Sky Islands And Build
1.21.1

Voidlock Genesis Overdrive Modpack (1.21.1) – Survive Sky Islands And Build

Voidlock Genesis Overdrive Modpack drops you into a harsh sky adventure where you must survive, travel by air, and build high-tech power systems. You jump from floating islands, manage food and water needs, and use custom tech machines to escape dangerous realms. Features: Island Exploration: Colored trees mark different types of floating islands so you […]

Evacuate Mod (1.21.1, 1.20.1) – Outfit Modern Buildings with Fire Alarms
1.21.1

Evacuate Mod (1.21.1, 1.20.1) – Outfit Modern Buildings with Fire Alarms

Evacuate Mod brings real-world emergency equipment and safety decorations straight into your Minecraft world. It equips your buildings with emergency exit doors, crash bars, fire alarms, and wall signs to help players escape danger. You can place fire extinguishers in hallways and set up clear assembly points outside. The mod turns plain bases into realistic […]

The Purgatory Mod (1.21.8, 1.20.1) – Survive Brutal Trials and Escape a Prison
1.21.8

The Purgatory Mod (1.21.8, 1.20.1) – Survive Brutal Trials and Escape a Prison

The Purgatory Mod adds a punishing prison dimension where rulebreakers face dangerous survival trials. Players banished to this realm must fight hostile mobs across red sand deserts and dark obsidian depths. The only way to return to the overworld is by offering crafted keys to mysterious altars and conquering deadly boss fights. Features: Adds an […]

Exfil Craft Mod (26.2, 1.21.11) – Escape Deadly Raid Dimensions
1.21.11

Exfil Craft Mod (26.2, 1.21.11) – Escape Deadly Raid Dimensions

Exfil Craft Mod turns Minecraft into a tense extraction survival game where you risk everything for better gear. It gives you a safe private plot to build a home base. From there, you pack your bags and travel into dangerous raid dimensions to find treasure. If you find an extraction portal and survive, you keep […]

Skillcloaks Mod (1.21.1, 1.20.1) – Cloaked Mastery
1.21.1

Skillcloaks Mod (1.21.1, 1.20.1) – Cloaked Mastery

Skillcloaks Mod will add capes to Minecraft, inspired by RuneScape. Each cape will provide a unique bonus, ranging from double jumping and increased magic damage to once-a-day immortality and the ability to teleport to the spawn point. Features: Players can obtain skill cloaks by engaging in trades with villagers, enhancing the role of villagers in […]

Second Chance Mod (1.21.5, 1.20.1) – Survive Heavy Damage
1.21.5

Second Chance Mod (1.21.5, 1.20.1) – Survive Heavy Damage

Second Chance Mod prevents players from dying instantly from high-damage hits. For example, if a player has more than 6 hearts and is struck by a mob dealing 7 hearts of damage, the mod ensures the player survives with half a heart, allowing them to escape and heal. This makes battles against strong mobs a […]

RPG Potions Mod (1.21.1, 1.20.1) – 8 New Combat Potions
1.21.1

RPG Potions Mod (1.21.1, 1.20.1) – 8 New Combat Potions

RPG Potions Mod introduces 8 new tactical potions designed primarily for PvP combat, but also useful in PvE, raids, and custom maps. These potions add depth by affecting vision, mobility, deception, and battlefield control, making fights more strategic and unpredictable. Features: Creates a vision‑blocking smoke cloud for escapes or confusion. Generates a shockwave that knocks […]

FTB OceanBlock 2 Modpack (1.21.1) – Ocean-only Survival Progression
1.21.1

FTB OceanBlock 2 Modpack (1.21.1) – Ocean-only Survival Progression

FTB OceanBlock 2 Modpack places you alone on an unknown planet covered entirely by an endless ocean. Your escape pod has crashed, there is no land in sight, and no immediate rescue. Beneath the water, something feels wrong. You are not the first to arrive on this world, but you are the only one left. […]