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MC Calamity

MC Calamity

A datapack that attempts to recreate the Terraria: Calamity Mod

15.6k
207
Adventure
Equipment
Mobs

Compatibility

Minecraft: Java Edition

1.21.x
1.20.2–1.20.4

Platforms

Data Pack
Fabric
Forge
NeoForge
Quilt

Supported environments

Server-side

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Links

Report issues Visit wiki Join Discord server

Creators

Scourge Nerds
Scourge NerdsOrganization

Details

Licensed CC-BY-4.0
Published last year
Updated last month
DescriptionGalleryChangelogVersions

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Sunken Update Hotfix 2

on May 18, 2025
Download

-File changed because textures were missing-

Fixes:

Fixed Wulfrum Digging Turtle not working

Fixed Milk not working on custom potion effects

Fixed Yellow Slimes taking fall damage from jumping

Changed "Veiw debug menu:" to "View debug menu:"

Fixed Tinkers Workshop not being obtainable

Actually fixed Slime Rain event timer restarting occasionally

Sunken Update for 1.21.4

on May 18, 2025
Download

-File changed because textures were missing-

Fixes:

Fixed Wulfrum Digging Turtle not working

Fixed Milk not working on custom potion effects

Fixed Yellow Slimes taking fall damage from jumping

Changed "Veiw debug menu:" to "View debug menu:"

Fixed Tinkers Workshop not being obtainable

Actually fixed Slime Rain event timer restarting occasionally

Changes

Now in 1.21.4!

Reworked ALL the models to 1.21.4's new item model system

Added new item sprites for:

Diving Helmet, 0x33 Aviators, Sunglasses, Goggles, Wulfrum Prosthesis, Scourge of the Desert, Spawn Eggs based on 1.21.5 spawn eggs, Reforge Item

Added new held models for:

Wooded Yoyo, Amazon, Artery, Malaise, Riptide, Blade of Grass, Depth Crusher, Muramasa, Bone Javalin, Teardrop Cleaver, Redtide Spear, Dry Bomb, Honey Bomb, Lava Bomb, Wet Bomb, Seafoam Bomb, Wulfrum Digging Turtle

Added animation for Blood Rain Bow

Magic items can now be used in creative even if you haven't collected any experience

Sunken Update Hotfixes 2

on May 17, 2025
Download

Fixes:

Fixed Wulfrum Digging Turtle not working

Fixed Milk not working on custom potion effects

Fixed Yellow Slimes taking fall damage from jumping

Changed "Veiw debug menu:" to "View debug menu:"

Fixed Tinkers Workshop not being obtainable

Actually fixed Slime Rain event timer restarting occasionally

Sunken update for 1.21.4

on May 16, 2025
Download

Fixes:

Fixed Wulfrum Digging Turtle not working

Fixed Milk not working on custom potion effects

Fixed Yellow Slimes taking fall damage from jumping

Changed "Veiw debug menu:" to "View debug menu:"

Fixed Tinkers Workshop not being obtainable

Actually fixed Slime Rain event timer restarting occasionally

Changes

Now in 1.21.4!

Reworked ALL the models to 1.21.4's new item model system

Added new item sprites for:

Diving Helmet, 0x33 Aviators, Sunglasses, Goggles, Wulfrum Prosthesis, Scourge of the Desert, Spawn Eggs based on 1.21.5 spawn eggs, Reforge Item

Added new held models for:

Wooded Yoyo, Amazon, Artery, Malaise, Riptide, Blade of Grass, Depth Crusher, Muramasa, Bone Javalin, Teardrop Cleaver, Redtide Spear, Dry Bomb, Honey Bomb, Lava Bomb, Wet Bomb, Seafoam Bomb, Wulfrum Digging Turtle

Added animation for Blood Rain Bow

Magic items can now be used in creative even if you haven't collected any experience

The Sunken Update Hotfixes

on Mar 18, 2025
Download

Changes:

Reworked the backend of the datapack

  • Previously unloaded entities may be frozen for up to 20 minutes

  • All current active effects will be deleted

Added new sprites for:

  • Failed Sunken Compass

  • Creative Menu

Added Essence of Eleum, Havoc, and Sunlight (all unobtainable)

Music profiles for Noteblocc, TehBigMac, and NotGleam use the plushes now.

Fixes:

Wulfrum Blunderbus not reloading

Custom Projectiles can now hit boats, minecarts, end crystals, item frames, leash knots, paintings, shulker bullets

Lang issues with boss summons and fishing bobbers

Attempted to Add a fix for yharon's head not despawning sometimes

Changed tungsten_leggings id from " tungsten_leggings" to "tungsten_leggings"

Desert Scourge and Desert Nuisance now have damage tints

Fixed transparency on Tomb Crawler body

Tomb Crawler now has damage tint

Fixed model of Amidias Pendent shards

Fixed link to wiki in the manual

(also ported over the better version of the wiki that got privated because whoopsies)

The Sunken Update for 1.21.3

on Mar 18, 2025
Download

The Sunken Update for 1.21.3

on Mar 17, 2025
Download

Additions:

Added the Item Updater block, which will attempt to update all calamity items in your inventory

  • MANY Items have been redesigned because of new data driven additions in 1.21.2

  • You will get one for free if you update, but you can also craft them if you think they look pretty.

  • May eventually expand to fixing entities as well... because custom_model_data is obsolete in the next update

Changes:

Every fix that was added for the 1.21.1 version

Many weapons now "charge" instead of use instantly

You can now "unreel" a yoyo by recasting while a yoyo exists

Yoyos now spin

Some accessories now need you to jump instead of sneak

Added new sounds for equipping arctic_diving_gear, jellyfish_diving_gear, goggles, sunglasses, and 0x33_aviators

Yharon's model code is slightly different.

  • Fixed yharon not flying away fast enough when killed

  • Fixed yharon's death animation being rotated in certain circumstances

Entities no longer spawn disabled

Removed bundles from UGcabin loot (because its obtainable now)

The Sunken Update Hotfixes

on Mar 17, 2025
Download

Changes:

Reworked the backend of the datapack

  • Previously unloaded entities may be frozen for up to 20 minutes

  • All current active effects will be deleted

Added new sprites for:

  • Failed Sunken Compass

  • Creative Menu

Added Essence of Eleum, Havoc, and Sunlight (all unobtainable)

Music profiles for Noteblocc, TehBigMac, and NotGleam use the plushes now.

Fixes:

Wulfrum Blunderbus not reloading

Custom Projectiles can now hit boats, minecarts, end crystals, item frames, leash knots, paintings, shulker bullets

Lang issues with boss summons and fishing bobbers

Attempted to Add a fix for yharon's head not despawning sometimes

Changed tungsten_leggings id from " tungsten_leggings" to "tungsten_leggings"

Desert Scourge and Desert Nuisance now have damage tints

Fixed transparency on Tomb Crawler body

Tomb Crawler now has damage tint

Fixed model of Amidias Pendent shards

Fixed link to wiki in the manual

(also ported over the better version of the wiki that got privated because whoopsies)

The Sunken Update

on Jan 27, 2025
Download

The Sunken Update

on Jan 26, 2025
Download

Changes

Now in 1.21

You can now unsummon summons by shift clicking a summon staff

break particles appear on the surface when worms move

Events can now occur in the world

Changed Throwing Brick, Urchin Stinger, Wulfrum Knife, & all glowstick varients to stack to 64

Changed Sapphire, Ruby, & Lonsdaleite to stack to 64

Changed Apple Juice, Fruit Juice, Return Potion, Recall Potion & Teleportation Potion to stack to 16

All weapons now list their attribute stats

New Stealth system along with the following attributes:

  • Max Stealth

  • Stealth Regen

  • Stealth Cost

Changed model of desert Scourge and desert Nuisance

Cnidrion now drops sturdy fossils

Worms are now coded better

BETTER CRAFTING MENU!!!!!!!!!!!

Additions

New Events

Slime Rain

Blood Moon

Natural Eye of Cthulhu

New Bosses

King Slime

Yharon

New Enemies

Colored Slimes!

  • Comes in blue, yellow, red, pink, purple, and spikey variaties

Wulfrum Patrols

  • Drones

  • Hovercrafts

  • Gyrators

  • Rovers

  • Amplifiers

Clam

Prismback

Ghost Bell

Utrophic Ray

Giant Clam

Blood Zombie

Drippler

Zombie Merman

Wandering Eye Fish

New Items

King slime drops:

  • Slime Gun

  • Crown Jewel

  • Royal Gel

  • Ninja Armor

  • Slime Staff

Leftover desert stuff:

  • Ancient Chisel

  • Storm Surge

  • Luxors Gift

  • Encumbering Stone

  • Greatbay Pickaxe

  • Reefclaw Hamaxe

  • Urchin Mace

Wulfrum Gear:

  • Wulfrum Battery

  • Rover Drive

  • Wulfrum Blunderbuss

  • Wulfrum Digging_turtle

  • Wulfrum Metal_scrap

  • Wulfrum Drill

  • Wulfrum Screwdriver

  • Wulfrum Prosthesis

  • Wulfrum Controller

  • Wulfrum Armor

  • Wulfrum Lure

Sunken Sea Gear:

  • Aquamarine Staff

  • Prism Shard

  • Seashine Sword

  • Voltaic Jelly

  • Giant Pearl

  • Riptide

  • Sparkling Empress

  • Seafoam Bomb

  • Amidias Pendant

Blood Moon stuff:

  • Blood Rain Bow

  • Vampire Frog Staff

More Banners!

Fishing Rework:

  • MANY Fish

  • MANY Crates

  • MANY Baits

  • Potions:

  • Fishing Potion

  • Crate Potion

  • Sonar Potion

Crab Claw

Flash Rounds

Coin Of Deceit

Gilded Dagger

Gleaming Dagger

Starfury

Yoyos!

Bone Sword

Grenade

Raiders Talisman

Scuttlers Jewel

Crystalline

New Potions!

New Structures

Floating Island

Living Tree

Desert Shrine

Calamity Demo

on Apr 23, 2024
Download

Calamity Demo

on Apr 21, 2024
Download

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