Random Block Layers
by cjcameron92
Random Block Layers reshuffles the vertical structure of Minecraft worlds, so the stone, dirt and other blocks below the surface change from place to place.
What it does
Digging down in a world made with Random Block Layers shows a different sequence of layers than vanilla terrain. The layers are randomized, which makes the underground feel unpredictable and themed differently from one area to the next. Both the client and the server need the mod, since the generated layers must match on each side. End portal frames and spawners keep their vanilla placement, so the endgame and dungeon targets stay where players expect them. The mod runs on Fabric for Minecraft 1.21.10 – 1.21.11, with files for 1.21.11 as the latest release, under the MIT License and not open source.
Key features
Randomized layers
Each area below the surface is built from a shuffled order of block layers rather than the fixed vanilla stack.
Unpredictable underground
Digging down reveals layers that vary by location, so the terrain below ground is not the same in every spot.
Unchanged endgame targets
End portal frames and spawners keep their vanilla positions, so finding them still works as usual.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Questions
Does Random Block Layers need to be installed on the server?
Which Minecraft versions does Random Block Layers support?
More from cjcameron92
What the author says
What if Minecraft’s world wasn’t predictable? What if every Y-level had its own rules, blocks, biomes, and surprises? Random Layers completely reimagines world generation by turning Minecraft vertically chaotic — each layer is randomized, themed, and unpredictable. End Portal Frames and Spawners remain unchanged so…
Official listing
- Modrinth page
- modrinth.com/mod/random-block-layers
- Owner
- cjcameron92
- Published
- 2026-01-07
- Updated on Modrinth
- 2026-01-07
- Facts verified
- 2026-10-15