Hard Trees
octacian

Require tools to break trees and introduce beginner-tier rock tools.

Missions
BuckarooBanzai

Adds blocks to create missions with rewards, timeout and penalties.

Teacher: Locked Chests
1F616EMO

Tutorial for MTG Locked Chests

Bed Notifications
Bob64

This adds chat messages that tell other players when a player leaves or enters a bed and when players can sleep.

Utilities for Underch - extension pack
Hypernoot

Extend the Underground Challenge by miscelaneous utilities and change some recipes

Random Cool
pl608

Adds random ores on lava cool

Stairs Recycle
DumbDave961

Turn stairs into ingots, slabs, or different stairs. Smelt cobble stairs into stone stairs. Highly recommended for Oneblock survival. Based on Simple Recycle by Jolesh.

Aether
iarbat

Adds a hard to obtain yet powerful substance called Aether.

Unprotector
Kimapr

Bypass Protection Sorcery in survival

Meze
Calinou

A special ore that kills you when mined.

Infinite Wood Mod
thehumanarachnid

You can now get infinite wood in survival

Grave
ElCeejo

Adds an eerie biome with multiple mobs.

Nether Mobs
Dirkfried

Add monsters and dragons to your nether world.

Wilhelmines Sounds
Liil

Adds ambient sounds to the landscapes of Living Floatlands, Living Desert, Living Jungle, Living Caves and Natural Biomes

Technic Armor
mt-mods

Adds armor made from lead, brass, cast iron, carbon steel, stainless steel, tin and silver

Super Foods!
LoopyAntenna

Adds many new foods, such as cake, watermelon, coconut, and cheese! You can even play in Survival!

Stamina++
swagtoy

Adds stamina and sprinting (no hunger!)

Armor HUD bar
Wuzzy

Adds a HUD bar displaying the current damage of the player's armor.

Sleeping Mat
kestral

Simple sleeping mat made out of grass.

Underground Challenge
Hypernoot

Explore all 62 underground biomes!

X Clay
SaKeL

Adds hardened clay.

Real Torch
TenPlus1

Realistic torches that go out eventually and drop in water

The Composter
Dino0815

Adds a composter to make dirt out of your leaves.

Castle Weapons
FaceDeer

Provides several medieval weapons for use around castles

Sponge
56

Water-removing sponges.

Handmill
Nordal

Adds handmills and threshing floor.

Soup
justsoup

A mod that adds a few new food items.

Desert Ores
DumbDave961

Generates ores in deserts and other biomes. Also spawns raw ore blocks if enabled. Biome specific ore node variants coming soon.

Mesebox
johalun

Mobile storage box powered by Mese

Painted 3D Armor
Beerholder

Adds banners to your armor, either painted using the painting mod or created using the banners mod

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Strange Weapons
Robot10&Scheletor

Adds many strange and improbable weapons

S Battlehammer
Stakbox

Adds a battlehammer weapon with high knockback for MTG (compatible only with Mobs Redo API).

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Hazmat Suit
1F616EMO

Protect wearer from fire and radiation

More Upgrade Packs
nolombic

Upgrade your upgrade packs so you can have even higher stats!

Cthulhu eye boss
GigaByte

Cthulhu eye boss adds

Better Locks
SkyBuilder1717

Adds locks and locked doors

Technic Recycle
DumbDave961

Recycling recipes for Technic items.

Avanti Savoia!
JetpackJackson

Adds WW1 stuff, I guess?