Zombies4Test
DuckGo

Adds zombies and stuff to your world

Mobs Ethereal Bosses
DuckGo

Add Bosses to "Ethereal NG" biomes!

Forgotten Monsters
DuckGo

Monsters and Bosses...

Randomizer
NO11

A survival challenge. Try to survive in a randomized world.

Builtin Item
TenPlus1

Dropped items can now be pushed by water, burn quickly in lava and have their own custom functions.

Alive AI
AiTechEye

Advanced survivor ai mobs (npc, monsters and more)

balrog (flux's fork)
fluxionary

adds balrogs.

Pathogen
Bas080

Anables users to get a pathogen.

Zoonami
isaiah658

Collect and train monsters that can be used in battles.

Regrow
TenPlus1

This mod helps to regrow tree fruits instead of replanting saplings.

Skeletons
SFENCE

Add player and some animals skeleton to your game.

Mobs Skeletons
TenPlus1

Adds three skeletons to the world.

Native Villages
Liil

Adds villages of native people to the world.

New Campfire
mt-mods

You can craft and use better campfire.

Spears
Echoes91

Adds spears, versatile weapons that can be thrown.

Obsidian Swords
Dragonop

Adds the Obsidian Dagger, Sword, and Longsword. Also Obsidian tools, for completeness.

Regrowing Fruits
philipmi

Fruits on trees from various mods will regrow.

Uranium Stuff
Epoxum

Adds Uranium tools and armor, compatible with technic.

new minerals
Giga_M

new minerals for armor and tools

Mob Mese Monster Classic
TenPlus1

Adds classic Mese Monster.

Death Compass
FaceDeer

A compass that points to the last place you died

Hook (survival tools)
AiTechEye

Survive & climbing tools

mime (flux's fork)
fluxionary

adds a monster mimicking its surrounding nodes.

More Pickaxes
Koda_

Adds additional pickaxes to the game

Stalker
DuckGo

A terrifying and very strong monster that lives in caves

Tower Defense
CBugDCoder

The Tanks are coming. Are you ready?

Temperature Survive
AiTechEye

Makes you feel temperatures

Mineclone2 Falling Anvils
NO11

A survival challenge for Mineclone2.

Raining Death
aether123

TNT Rains from the Sky

choppy
fluxionary

yet another tree-cutting mod

Power Rangers Modpack
LC Creations

Adds power rangers and an API to create your own.

After Earth
AiTechEye

The earth's ecosystem has collapsed, and there are no biologically environment left.

Lifesteal Mod
Jo5629/IMDman56

Provides a lifesteal mod into Minetest.

Sailing
cakenggt

Live in a tropical paradise where you can sail, mine coconuts, etc.

NodeCore Light
Winter94

New light sources for NodeCore

Grave
ElCeejo

Adds an eerie biome with multiple mobs.

Illumination
mt-mods

Makes players emit light while holding any luminescent item.

Armor Expanded
Crystalwarrior

Expanded armors for 3d armors

bones (redo)
fluxionary

the bones mod from minetest_game, but with updates to make them much more reliable

Projectiles
Noodlemire

Adds various projectile weapons which work based off of MT 5.3.0's new collision info provided to objects' on_step functions.