Underground Worldsby HexagonNico · Mods · 1.19 – 26.xAdds underground biomes and underground dungeons, as well as some above ground structures, in a modular and configurable way.
Free3.1M downloads
Blue Skies is a mod that works on Minecraft 1.16 – 1.20. Here are 12 resources that do a similar job, ranked by how close they are and how many people use them.
| Resource | Downloads | Rating | Versions | Last update | Price |
|---|---|---|---|---|---|
 Blue Skiesthe one you looked at | 2.7M | – | 1.16 – 1.20 | Feb 5, 2024 | Free |
| Underground WorldsHexagonNico | 3.1M | – | 1.19 – 26.x | 2 days ago | Free |
 Friends&Foesfaboslav | 12.3M | – | 1.18 – 26.x | 19 days ago | Free |
 PixelmonPixelmon | 5.2M | – | 1.12 – 1.21 | 23 days ago | Free |
 Mischief Illagerstamir7 | 3.5M | – | 1.20 | May 8, 2025 | Free |
 Nether Depths UpgradeScouter567 | 3.4M | – | 1.16 – 1.21 | Sep 21, 2026 | Free |
 Youkai's Homecominglcy0x1 | 3.1M | – | 1.20 – 1.21 | 23 days ago | Free |
 ShrumpBlowyWind | 14 | – | 1.21 | Sep 23, 2026 | Free |
 Xaero's World Mapthexaero | 105.8M | – | 1.8 – 26.x | 20 days ago | Free |
Underground Worldsby HexagonNico · Mods · 1.19 – 26.xAdds underground biomes and underground dungeons, as well as some above ground structures, in a modular and configurable way.
Friends&Foesby faboslav · Mods · 1.18 – 26.xAdds outvoted and forgotten mobs from the mob vote, expanding on their original concepts and adding new vanilla-like features. The mod includes: Copper Golem…
Pixelmonby Pixelmon · Mods · 1.12 – 1.21Pixelmon adds many aspects of the Pokémon into Minecraft, including the Pokémon themselves, battling, trading, and breeding. Pixelmon also includes an…
Mischief Illagersby tamir7 · Mods · 1.20Adds new custom Illagers, structures and items!
Nether Depths Upgradeby Scouter567 · Mods · 1.16 – 1.21Nether Depths Upgrade is a small mod that adds some extra flora and fauna to the lava seas of the nether. A total of nine fish have been added, a new enchant…
Youkai's Homecomingby lcy0x1 · Mods · 1.20 – 1.21Adds a variety of Japanese themed food and plants, and adds Touhou related contents
Shrumpby BlowyWind · Mods · 1.21This mod adds a mob called "Shrump". It is a little creature, that spawns in dark forests, mushroom islands and lush caves. When you touch it, you bounce high…
Xaero's World Mapby thexaero · Mods · 1.8 – 26.xAdds a full screen world map which shows you what you have explored in the world. Works great together with Xaero's Minimap.
Biomes O' Plentyby Forstride · Mods · 1.8 – 26.xAdds 50+ unique biomes to enhance your world, with new trees, flowers, and more!
Dungeons and Tavernsby NovaWostra · Mods · 1.19 – 26.xA Structure Datapack adding dungeons, taverns and other structures to find while you explore the world.
Deeper and Darkerby nitrodynamite18 · Mods · 1.19 – 1.21A Minecraft mod which features more blocks, items, armors, and hidden mysteries to complement the Deep Dark biome.
Artifactsby ochotonida · Mods · 1.19 – 26.xAdds various treasure items that can be found through exploration