Factory in the Sky 4
You wake up and find yourself on a skyblock tree, surrounded by the void. What comes next? Inspired by Sky Factory!
⬇ Download on CurseForgeFourth in the Factory in the Sky series, updated to NeoForge 1.21.1. Modded Skyblock!
Quests, tech mods, magic mods, wacky mods, quality of life mods... You'll find them all here!
Want to twerk to grow saplings and crops? Done ☑
Want to harness the power of plants, bees, alchemy, and more to bend the world to your whims? Done ☑
Want a crafting table on a stick? Done ☑
Want to automate all the things? Done ☑
Want to soar through the skies and explore many dimensions? Done ☑
Want to master the skills of both magic and technology? Done ☑
Want to ride a dragon across the void? Done ☑
Want to be able to craft OP creative items? Done ☑
Want a mod-filled pack that actually runs well on your computer? Done ☑
Want so much more than what's listed here? Done ☑
Gallery screenshots were taken with Complementary Shaders - Iris mod is included, install any shaders you wish!
To download, please install the Curseforge app, search for "Factory in the Sky 4" and click Install.
Feel free to leave comments of feedback, questions, concerns, or bugs. Thanks for downloading!
*If you wish to stream or post a video using this modpack, please link to the original project page*
Official Discord Server: https://discord.com/invite/GhwnpFeWKH
This modpack series is influenced by FTB's Sky Factory 3: https://www.curseforge.com/minecraft/modpacks/ftb-presents-skyfactory-3
Note: As mods are being ported and updated to 1.21.1, I will update this modpack accordingly. Some mods such as EnderIO and Mekanism are still in alpha. I have tested them and included them in this modpack, but make sure to take a backup when you update!
Mod List:
- Double Doors (by Curse.Domain.Projects.ProjectAuthor)
- Server Performance - Smooth Chunk Save[Forge/Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Glodium (by Curse.Domain.Projects.ProjectAuthor)
- Potentials (by Curse.Domain.Projects.ProjectAuthor)
- Patchouli (by Curse.Domain.Projects.ProjectAuthor)
- KleeSlabs (by Curse.Domain.Projects.ProjectAuthor)
- Entity Culling Fabric/Forge (by Curse.Domain.Projects.ProjectAuthor)
- Clickable advancements[Forge/Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Nemo's Inventory Sorting (by Curse.Domain.Projects.ProjectAuthor)
- Easy Magic [Forge & Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Trading Post [Forge & Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Extended Crafting (by Curse.Domain.Projects.ProjectAuthor)
- Fzzy Config (by Curse.Domain.Projects.ProjectAuthor)
- Dark Paintings (by Curse.Domain.Projects.ProjectAuthor)
- Click Machine (by Curse.Domain.Projects.ProjectAuthor)
- Magnum Torch (by Curse.Domain.Projects.ProjectAuthor)
- Controlling (by Curse.Domain.Projects.ProjectAuthor)
- MrCrayfish's Furniture Mod: Refurbished (by Curse.Domain.Projects.ProjectAuthor)
- Starter Kit (by Curse.Domain.Projects.ProjectAuthor)
- Craft Slabs Back into Blocks [Fabric/Forge/NeoForge] (by Curse.Domain.Projects.ProjectAuthor)
- CodeChicken Lib 1.8.+ (by Curse.Domain.Projects.ProjectAuthor)
- Flux Networks (by Curse.Domain.Projects.ProjectAuthor)
- Lithium (Fabric/NeoForge) (by Curse.Domain.Projects.ProjectAuthor)
- FTB Teams (Forge) (by Curse.Domain.Projects.ProjectAuthor)
- ImmediatelyFast (by Curse.Domain.Projects.ProjectAuthor)
- Nature's Compass (by Curse.Domain.Projects.ProjectAuthor)
- SuperMartijn642's Config Lib (by Curse.Domain.Projects.ProjectAuthor)
- Kotlin for Forge (by Curse.Domain.Projects.ProjectAuthor)
- Caelus API (Forge/NeoForge) (by Curse.Domain.Projects.ProjectAuthor)
- Mystical Agriculture Tiered Crystals (by Curse.Domain.Projects.ProjectAuthor)
- Curios API (Forge/NeoForge) (by Curse.Domain.Projects.ProjectAuthor)
- Sodium (by Curse.Domain.Projects.ProjectAuthor)
- Roots Classic (by Curse.Domain.Projects.ProjectAuthor)
- Crash Assistant (by Curse.Domain.Projects.ProjectAuthor)
- Ex Deorum (by Curse.Domain.Projects.ProjectAuthor)
- Iron Jetpacks (by Curse.Domain.Projects.ProjectAuthor)
- Charm of Undying (Fabric/Forge/Quilt) (by Curse.Domain.Projects.ProjectAuthor)
- The Aether (by Curse.Domain.Projects.ProjectAuthor)
- fix GPU memory leak[Forge/Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Tom's Simple Storage Mod (by Curse.Domain.Projects.ProjectAuthor)
- Better Advancements (by Curse.Domain.Projects.ProjectAuthor)
- FastSuite (by Curse.Domain.Projects.ProjectAuthor)
- SuperMartijn642's Core Lib (by Curse.Domain.Projects.ProjectAuthor)
- CraftTweaker (by Curse.Domain.Projects.ProjectAuthor)
- Trash Cans (by Curse.Domain.Projects.ProjectAuthor)
- Productive Bees (by Curse.Domain.Projects.ProjectAuthor)
- FTB Chunks (Forge) (by Curse.Domain.Projects.ProjectAuthor)
- Neruina - Ticking Entity Fixer (by Curse.Domain.Projects.ProjectAuthor)
- Dynamic View[Forge] (by Curse.Domain.Projects.ProjectAuthor)
- Lootr (Forge & NeoForge) (by Curse.Domain.Projects.ProjectAuthor)
- MmmMmmMmmMmm (Target Dummy) (by Curse.Domain.Projects.ProjectAuthor)
- libIPN (by Curse.Domain.Projects.ProjectAuthor)
- Collective (by Curse.Domain.Projects.ProjectAuthor)
- Architectury API (by Curse.Domain.Projects.ProjectAuthor)
- Building Gadgets (by Curse.Domain.Projects.ProjectAuthor)
- FerriteCore ((Neo)Forge) (by Curse.Domain.Projects.ProjectAuthor)
- Colorful Hearts (by Curse.Domain.Projects.ProjectAuthor)
- Squat Grow (Shift / Twerk to grow plants) (by Curse.Domain.Projects.ProjectAuthor)
- Powah! (Rearchitected) (by Curse.Domain.Projects.ProjectAuthor)
- RSInfinityBooster (by Curse.Domain.Projects.ProjectAuthor)
- Cucumber Library (by Curse.Domain.Projects.ProjectAuthor)
- Polymorph (Fabric/Forge/Quilt) (by Curse.Domain.Projects.ProjectAuthor)
- FTB Ultimine (Forge) (by Curse.Domain.Projects.ProjectAuthor)
- Ender Storage 1.8.+ (by Curse.Domain.Projects.ProjectAuthor)
- Useful Slime (NeoForge/Fabric) (by Curse.Domain.Projects.ProjectAuthor)
- Better Fps - Render Distance[Forge] (by Curse.Domain.Projects.ProjectAuthor)
- Construction Sticks (by Curse.Domain.Projects.ProjectAuthor)
- Enchantment Descriptions (by Curse.Domain.Projects.ProjectAuthor)
- Default Server Properties (by Curse.Domain.Projects.ProjectAuthor)
- Puzzles Lib [Forge & Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Refined Storage - JEI Integration (by Curse.Domain.Projects.ProjectAuthor)
- Framework (by Curse.Domain.Projects.ProjectAuthor)
- Iron Furnaces (by Curse.Domain.Projects.ProjectAuthor)
- Wooden Hopper (by Curse.Domain.Projects.ProjectAuthor)
- Eccentric Tome (by Curse.Domain.Projects.ProjectAuthor)
- Just Zoom (by Curse.Domain.Projects.ProjectAuthor)
- Just Enough Immersive Multiblocks (by Curse.Domain.Projects.ProjectAuthor)
- Data Anchor (by Curse.Domain.Projects.ProjectAuthor)
- AllTheLeaks (Memory Leak Fix) (by Curse.Domain.Projects.ProjectAuthor)
- Mekanism (by Curse.Domain.Projects.ProjectAuthor)
- Gadgets Against Grind (by Curse.Domain.Projects.ProjectAuthor)
- OpenBlocks Elevator (by Curse.Domain.Projects.ProjectAuthor)
- Jade 🔍 (by Curse.Domain.Projects.ProjectAuthor)
- Reese's Sodium Options (by Curse.Domain.Projects.ProjectAuthor)
- Bag Of Holding [Forge & Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Better chunk loading[Forge/Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Stitch (formerly Athena) (by Curse.Domain.Projects.ProjectAuthor)
- AI Improvements (by Curse.Domain.Projects.ProjectAuthor)
- Global Narration Toggle (by Curse.Domain.Projects.ProjectAuthor)
- Artifacts (by Curse.Domain.Projects.ProjectAuthor)
- YetAnotherConfigLib (by Curse.Domain.Projects.ProjectAuthor)
- Refined Storage - Mekanism Integration (by Curse.Domain.Projects.ProjectAuthor)
- Skyblock Builder (by Curse.Domain.Projects.ProjectAuthor)
- Snad: Redstone Edition (by Curse.Domain.Projects.ProjectAuthor)
- Haven Animal Seeds / Crops / Plants (by Curse.Domain.Projects.ProjectAuthor)
- Just Enough Mekanism Multiblocks (by Curse.Domain.Projects.ProjectAuthor)
- Actually Additions (by Curse.Domain.Projects.ProjectAuthor)
- FTB Quests (Forge) (by Curse.Domain.Projects.ProjectAuthor)
- Searchables (by Curse.Domain.Projects.ProjectAuthor)
- Mouse Tweaks (by Curse.Domain.Projects.ProjectAuthor)
- Charging Gadgets (by Curse.Domain.Projects.ProjectAuthor)
- Forgiving Void (by Curse.Domain.Projects.ProjectAuthor)
- ExtraStorage (by Curse.Domain.Projects.ProjectAuthor)
- Crafting Tweaks (by Curse.Domain.Projects.ProjectAuthor)
- Easy Anvils [Forge & Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Ex Machinis: Divitiae Deorum (by Curse.Domain.Projects.ProjectAuthor)
- FramedBlocks (by Curse.Domain.Projects.ProjectAuthor)
- Fast Async World Save[Forge/Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- AppleSkin (by Curse.Domain.Projects.ProjectAuthor)
- Deimos Lib (by Curse.Domain.Projects.ProjectAuthor)
- Konkrete [Forge/NeoForge] (by Curse.Domain.Projects.ProjectAuthor)
- FTB XMod Compat (by Curse.Domain.Projects.ProjectAuthor)
- Theurgy (by Curse.Domain.Projects.ProjectAuthor)
- Cupboard (by Curse.Domain.Projects.ProjectAuthor)
- Just Another Void Dimension (by Curse.Domain.Projects.ProjectAuthor)
- CorgiLib (by Curse.Domain.Projects.ProjectAuthor)
- Sophisticated Storage (by Curse.Domain.Projects.ProjectAuthor)
- Cloth Config API (Fabric/Forge/NeoForge) (by Curse.Domain.Projects.ProjectAuthor)
- Industrial Foregoing (by Curse.Domain.Projects.ProjectAuthor)
- Mob Grinding Utils (by Curse.Domain.Projects.ProjectAuthor)
- Moonlight Lib (by Curse.Domain.Projects.ProjectAuthor)
- Angel Ring (by Curse.Domain.Projects.ProjectAuthor)
- Pipez (by Curse.Domain.Projects.ProjectAuthor)
- Saturn (by Curse.Domain.Projects.ProjectAuthor)
- The Bumblezone (NeoForge/Forge) (by Curse.Domain.Projects.ProjectAuthor)
- ModernFix (by Curse.Domain.Projects.ProjectAuthor)
- Refined Storage (by Curse.Domain.Projects.ProjectAuthor)
- BucketLib (by Curse.Domain.Projects.ProjectAuthor)
- Enchanting Infuser [Forge & Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- GuideME (by Curse.Domain.Projects.ProjectAuthor)
- Toast Control (by Curse.Domain.Projects.ProjectAuthor)
- Sophisticated Core (by Curse.Domain.Projects.ProjectAuthor)
- Hang Glider [Forge & Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Global Packs (by Curse.Domain.Projects.ProjectAuthor)
- Simple Backups (by Curse.Domain.Projects.ProjectAuthor)
- Chicken Chunks 1.8.+ (by Curse.Domain.Projects.ProjectAuthor)
- ATO - All the Ores (by Curse.Domain.Projects.ProjectAuthor)
- Clumps (by Curse.Domain.Projects.ProjectAuthor)
- Mystical Agradditions (by Curse.Domain.Projects.ProjectAuthor)
- Not Enough Recipe Book [NERB] (by Curse.Domain.Projects.ProjectAuthor)
- Almost Unified (by Curse.Domain.Projects.ProjectAuthor)
- Flight API (by Curse.Domain.Projects.ProjectAuthor)
- Tank Storage (by Curse.Domain.Projects.ProjectAuthor)
- Refined Storage - Quartz Arsenal (by Curse.Domain.Projects.ProjectAuthor)
- Spice of Life: Carrot Edition (by Curse.Domain.Projects.ProjectAuthor)
- Corail Woodcutter (by Curse.Domain.Projects.ProjectAuthor)
- oωo (owo-lib) (by Curse.Domain.Projects.ProjectAuthor)
- Extreme sound muffler - (Neo)Forge (by Curse.Domain.Projects.ProjectAuthor)
- Trenzalore (by Curse.Domain.Projects.ProjectAuthor)
- Enhanced Celestials - Blood, Blue, & Harvest (Super) Moons (by Curse.Domain.Projects.ProjectAuthor)
- Fast Leaf Decay (by Curse.Domain.Projects.ProjectAuthor)
- MonoLib (by Curse.Domain.Projects.ProjectAuthor)
- Chunk Sending[Forge/Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Functional Storage (by Curse.Domain.Projects.ProjectAuthor)
- Pylons (by Curse.Domain.Projects.ProjectAuthor)
- Chipped (by Curse.Domain.Projects.ProjectAuthor)
- Modonomicon (by Curse.Domain.Projects.ProjectAuthor)
- OctoLib (by Curse.Domain.Projects.ProjectAuthor)
- FancyMenu (by Curse.Domain.Projects.ProjectAuthor)
- Tesseract (by Curse.Domain.Projects.ProjectAuthor)
- Titanium (by Curse.Domain.Projects.ProjectAuthor)
- Just Enough Resources (JER) (by Curse.Domain.Projects.ProjectAuthor)
- Dis-Enchanting Table (by Curse.Domain.Projects.ProjectAuthor)
- Resourceful Lib (by Curse.Domain.Projects.ProjectAuthor)
- More Overlays Updated (by Curse.Domain.Projects.ProjectAuthor)
- Ender IO (by Curse.Domain.Projects.ProjectAuthor)
- Bartering Station [Forge & Fabric] (by Curse.Domain.Projects.ProjectAuthor)
- Yeetus Experimentus (by Curse.Domain.Projects.ProjectAuthor)
- Too Fast (by Curse.Domain.Projects.ProjectAuthor)
- Hostile Neural Networks (by Curse.Domain.Projects.ProjectAuthor)
- Pretty X Smart Pipez (by Curse.Domain.Projects.ProjectAuthor)
- Bookshelf (by Curse.Domain.Projects.ProjectAuthor)
- More Industrial Foregoing Addons (MIFA) (by Curse.Domain.Projects.ProjectAuthor)
- Mekanism Additions (by Curse.Domain.Projects.ProjectAuthor)
- Melody (by Curse.Domain.Projects.ProjectAuthor)
- Iris Shaders (by Curse.Domain.Projects.ProjectAuthor)
- Drippy Loading Screen (by Curse.Domain.Projects.ProjectAuthor)
- Sky GUIs (by Curse.Domain.Projects.ProjectAuthor)
- Refined Storage - Curios Integration (by Curse.Domain.Projects.ProjectAuthor)
- Elytra Slot (Fabric/Forge/Quilt) (by Curse.Domain.Projects.ProjectAuthor)
- Crafting Station: JEI Edition Updated (by Curse.Domain.Projects.ProjectAuthor)
- Farmer's Delight (by Curse.Domain.Projects.ProjectAuthor)
- Complementary Shaders - Unbound (by Curse.Domain.Projects.ProjectAuthor)
- Cosmetic Armor Reworked (by Curse.Domain.Projects.ProjectAuthor)
- Bank Storage (by Curse.Domain.Projects.ProjectAuthor)
- Just Enough Items (JEI) (by Curse.Domain.Projects.ProjectAuthor)
- Wooden Shears (by Curse.Domain.Projects.ProjectAuthor)
- Dragon Mounts Remastered (by Curse.Domain.Projects.ProjectAuthor)
- EdivadLib (by Curse.Domain.Projects.ProjectAuthor)
- Chimes (by Curse.Domain.Projects.ProjectAuthor)
- Fusion (Connected Textures) (by Curse.Domain.Projects.ProjectAuthor)
- Bridging Mod (by Curse.Domain.Projects.ProjectAuthor)
- Pickle Tweaks (by Curse.Domain.Projects.ProjectAuthor)
- FTB Library (Forge) (by Curse.Domain.Projects.ProjectAuthor)
- Balm (by Curse.Domain.Projects.ProjectAuthor)
- Hyperbox (by Curse.Domain.Projects.ProjectAuthor)
- HaydenAPI (by Curse.Domain.Projects.ProjectAuthor)
- Mekanism Generators (by Curse.Domain.Projects.ProjectAuthor)
- HammerLib (by Curse.Domain.Projects.ProjectAuthor)
- Mystical Agriculture (by Curse.Domain.Projects.ProjectAuthor)
- Deeper and Darker (by Curse.Domain.Projects.ProjectAuthor)
- Cobblegen Galore (by Curse.Domain.Projects.ProjectAuthor)
- Wooden Bucket (by Curse.Domain.Projects.ProjectAuthor)
- Prickle (by Curse.Domain.Projects.ProjectAuthor)
- Waystones (by Curse.Domain.Projects.ProjectAuthor)
- Placebo (by Curse.Domain.Projects.ProjectAuthor)
- Mekanism CTM w/ Fusion (by Curse.Domain.Projects.ProjectAuthor)
- Immersive Engineering (by Curse.Domain.Projects.ProjectAuthor)
- Explorer's Compass (by Curse.Domain.Projects.ProjectAuthor)
- GraveStone Mod (by Curse.Domain.Projects.ProjectAuthor)
- Sophisticated Backpacks (by Curse.Domain.Projects.ProjectAuthor)
- LibX (by Curse.Domain.Projects.ProjectAuthor)
- Packet Fixer (by Curse.Domain.Projects.ProjectAuthor)
- GeckoLib (by Curse.Domain.Projects.ProjectAuthor)
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
Factory in the Sky 4 is a free Minecraft Java modpack. Compatible with Minecraft 1.21.1. Downloaded 17,215 times (via CurseForge). Download it and open it directly in the game.

