Forge Mods for Minecraft 1.21
Browse 35 free Forge mods for Minecraft 1.21 — popular picks include Survival island, Reliable Replacer, Biome Blends.
Updated daily
Survival island
Try to survive in a world made up of islands!
Reliable Replacer
A lightweight utility for replacing one block with another, both during worldgen and afterward.
Biome Blends
Change biomes in survival using Biome Blends! Full Data Pack support!
Mushroom Survival House
Adds a simple Mushroom house, perfect for the start off the game
TimberReplant(Fabric/Forge/NeoForge)
Automatically fell entire trees and replant saplings with one block break! Sustainable forestry made easy with configurable settings and proper tool durability.
Hydrological (Overworld Terrain & Biomes)
Overworld biome and terrain fantasy-style worldgen mod.
Taiga Survival House
Adds a simple Taiga House, perfect for the start of the game
Forest Survival Treehouse
Adds a small forest treehouse, ideal for early game survival
Monumental Experience - Creatures Across the World
Monumental Experience V: Creatures Across the World expands the series with Cobblemon and Aether integration, living biomes, and exploration-driven progression—creating a survival world focused on discovery and long-term building.
Realism Mod Reborn
A Vanilla+ survival expansion featuring crops, food production, gemstones, and immersive resources.
Pumpkin Survival House
Adds a Pumpkin Survival House, a small and cozy starter home built inside a giant pumpkin.
Sky Void SkyBlock
Classic SkyBlock with infinite void generation. The biome map and structure bounding boxes match up with a normal world with the same seed!
Bamboo Jungle Survival House
Adds a small bamboo jungle house, ideal for early game survival
Over the Sky | Floating Islands, Mobs and Many Secrets!
Survive in a world made up entirely of floating islands! Discover all the secrets, mobs, and hidden biomes.
Void One Block
A world type that turns Minecraft into a true void survival experience — while keeping progression, structures, biomes, and mod compatibility intact.
Pixelmon Wild Realms
Explore a vibrant world of wild biomes, magical ruins, and epic adventures. Catch, train, and battle in a beautifully enhanced Pixelmon survival experience full of exploration and discovery.
StarSky Shaders
A shader pack with fast shaders, new structures, new biomes, and way more!!!
Vaseria Travelnes
One of the best survival and fun mods with new ores and features!
[ASW] Adaptive Skin Weathering
Adaptive Skin Weathering a client-server visual mod for RP/hardcore/Vanilla+ servers. It dynamically applies dirt, sand, stone dust, snow, and blood to player skins based on movement, surface, damage, and biome
Genetically Modified Monsters
Adds genetically enhanced monsters with new powers, behaviors, and challenges to make survival more intense.
Flat Biomes
Adds biomes to vanilla flat world type
Isekai DX
A magic survival RPG modpack inspired by isekai anime. Explore new biomes, dimensions, and face survival challenges.
EBFsmp
The mod includes new biomes, decorations, tools and armor.
A Crazy Adventure: Science & Survival
A blocky landscape with forests, mountains, a backpacked character facing a machine, and a purple Nether portal under bold white title text.
sky-islands
Sky Islands is a skyblock survival mod that transforms the entire Minecraft world into a realm of floating islands suspended above the void.
RealmsQuest
RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.
SurvivalReborn
Survival Reborn enhances Minecraft survival with dynamic terrain, new biomes, and unique mobs, offering fresh challenges and gameplay mechanics. Explore, craft, and survive in a world full of adventure, ancient secrets, and powerful items!
Legendary Survival Overhaul Mod (1.21.1, 1.20.1) – Temperature, Thirst, Health Overhaul
Legendary Survival Overhaul Mod is a highly configurable mod that significantly expands Minecraft’s survival mechanics. It introduces new systems such as temperature, thirst, localized body damage, and a redesigned health system to create a more immersive and challenging survival experience. Features: Temperature System A dynamic body temperature system influenced by environment factors such as biomes, […]
Desert Survival House Mod (1.21.11, 1.20.1) – Start Safe In The Desert
Desert Survival House Mod adds a small desert stone house structure that players can discover. The house is strategically located in desert biomes, offering both a safe haven and a place for trading with villagers. Features: Adds a desert stone house structure in desert biomes Provides shelter for new players to stay safe from mobs […]
Just Enough Guns Mod (1.21.11, 1.20.1) – An Expanding Arsenal
Just Enough Guns Mod is a survival-focused Minecraft mod that adds firearms in a balanced, vanilla-friendly way. Players must explore different biomes to gather rare resources and craft guns through dedicated workbenches, with stronger weapons requiring more valuable materials. Guns and attachments have durability and can jam as they wear down, encouraging maintenance or the […]
The Afterdark Mod (1.21.5, 1.20.1) – Gather Exclusive Resources And Face Challenges
The Afterdark Mod introduces a challenging, resource-rich dimension that stretches 384 blocks tall and is shrouded in darkness. This hardcore dimension is filled with unique biomes, treacherous dungeons, and abundant resources. Features: Adds a 384-block tall dark dimension filled with exclusive resources Unique biomes and dungeons that reward exploration Complex world generation adds challenge and […]
ARKANE DOMAINS Mod (1.21.1, 1.20.1) – Explore Supernatural Boss
ARKANE DOMAINS Mod is an adventure-survival mod that introduces the idea that each biome has its own “domain”, ruled by a powerful entity called Arkane. The mod makes the Minecraft world feel like a map of many supernatural realms, each with its own boss and unique loot. Features: The mod adds powerful Arkane entities that […]
Project: Vibrant Journeys Mod (1.21.4, 1.20.1) – A Whole New Land
Project: Vibrant Journeys Mod aims to add some spice to survival without changing its core aspects. Instead of adding tons of new content in one direction, this mod focuses on adding content that overlays the current style of survival. Here, you will not find complex machinery, or magical spells, or a billion biomes, or too […]
Ark
An ARK-inspired survival modpack for Minecraft. Explore a dangerous world full of dinosaurs, prehistoric creatures, fossils, technology, and adventure inspired by ARK: Survival Evolved. Survive, evolve, and conquer nature.
Thermal Tweaks – Dynamic Temperature Survival
Thermal Tweaks introduces a lightweight but meaningful temperature system to Minecraft survival. Your body temperature ranges from −20 °C to 50 °C and reacts to biome climate, weather, wetness, sunlight, shade, armor, consumables,...