v1.0 Now Available

The Ultimate
Skyblock Experience

SkyblockOverhaul completely reimagines Minecraft Skyblock with 50+ new islands, custom mob AI, epic boss encounters, deep progression systems, and hundreds of unique items.

Download Now Explore Features
50+
Unique Islands
200+
New Items
30+
Custom Mobs
12
Epic Bosses
What's New

Packed With Features

Every system has been rebuilt from the ground up to deliver a richer, deeper Skyblock experience than ever before.

50+ Procedural Islands

Every run generates a unique cluster of handcrafted islands across 8 distinct biome types. No two playthroughs are alike.

12 Epic Boss Encounters

Face off against powerful dimensional bosses with custom AI, multi-phase attacks, and cinematic fight arenas.

Deep Crafting System

200+ new items and a multi-tier crafting table system unlock powerful gear and world-altering tools as you progress.

30+ Custom Mobs

New enemies with unique behaviors, loot tables, and spawn conditions that challenge even veteran Skyblock players.

Full Multiplayer Support

Play solo or host a server with friends. Shared island progression, co-op boss raids, and competitive leaderboards.

Reworked Progression

A tiered mastery system replaces the linear grind. Unlock specializations, passive bonuses, and unlockable island secrets.

Explore

8 Biome Island Types

Each biome brings a completely different aesthetic, mob set, resource pool, and story line to uncover.

Void Realm

Floating obsidian platforms above infinite darkness. Home to shadow mobs and portal relics.

Rare

Nether Shard

Blazing basalt islands riddled with ancient fortresses and fire-type boss arenas.

Legendary

Sky Haven

The classic starting island — remastered with hidden lore chambers and cloud gardens.

Common

Jungle Canopy

Overgrown treetop islands with rare flora, ancient temples, and tropical mobs.

Common

Storm Peak

Electrified mountain tops where lightning strikes forge rare ores and thundermobs roam.

Epic

Abyss Deep

Submerged coral islands surrounding underwater dungeons with aquatic boss encounters.

Rare

Crystal Nexus

Prismatic crystal formations orbiting a core energy source. Required for endgame crafting.

Legendary

Ancient Ruins

Crumbling civilization fragments hiding lore scrolls, artifact weapons, and golem guardians.

Epic
Mastery System

Progress Your
Way

Choose from three mastery paths and unlock passive bonuses, island secrets, and unique crafting recipes as you climb each tier.

  • Four distinct mastery tiers with escalating challenges
  • Passive skill trees with over 60 unlockable bonuses
  • Prestige system that scales difficulty and rewards
  • Daily and weekly quests tied to each progression path
  • Unlockable island secrets gated behind mastery milestones
Novice Islander
Sky Warrior
Void Mage
Skyblock Overlord
Get Started

Download SkyblockOverhaul

Pick your Minecraft version and mod loader.

SkyblockOverhaul v1.0

Latest stable release — April 2026

MC 1.21 Fabric ✓ MC 1.21 Forge ✓ MC 1.20.1 Fabric MC 1.20.1 Forge
Download — Fabric Download — Forge

Also available on CurseForge and Modrinth. Requires Java 17+. See the installation guide for help.

Help

Frequently Asked Questions

Everything you need to know before diving in.

SkyblockOverhaul currently supports Minecraft 1.20.1 and 1.21 with both Forge and Fabric mod loaders. Additional version support is planned in future updates.
SkyblockOverhaul is available on CurseForge, Modrinth, and GitHub. Install it using your preferred mod loader.
Absolutely. SkyblockOverhaul fully supports multiplayer servers. Install the mod on both the client and the server. Co-op island building, shared boss raids, and competitive leaderboards all work in multiplayer.
SkyblockOverhaul adds over 50 unique procedurally-generated islands spread across 8 distinct biome types. The layout of each world is unique every playthrough.
SkyblockOverhaul is designed to be modpack-friendly. It is compatible with popular mods like JEI, Waystones, Jade, and most performance mods. A curated compatibility list is maintained on our GitHub wiki.
Open an issue on our GitHub repository or post in our Discord server. We actively review all feedback and maintain a public roadmap of upcoming features.