Deep-Retrograde
by Rhineland905
Deep-Retrograde brings deepslate-era terrain and blocks back to Forge 1.12.2, adding Deepslate, Tuff, Calcite and Sculk to world generation.
What it does
New stone types are generated in the world: Deepslate, Tuff, Calcite and Sculk replace parts of the existing strata, with rare bright spherical clusters of white rock and large uneven areas of volcanic rock interrupting the Deepslate layers. Ore replacement is handled in an optimized pass, so ores are placed inside the new stone without a separate generation step.
Deepslate can be smelted back into smooth Deepslate, cobbled Deepslate can be processed in a furnace, and Deepslate ores can be blasted into ingots. The blocks break with sounds and hardness values modeled on the newer versions. The mod is aimed at worlds that want the newer underground look while staying on 1.12.2.
Installation needs only Forge; no other catalog mod is required. Installation covers the server and each player's game. Files are published for Forge only, for the single game version 1.12.2, with 1.1.1 as the latest file. The code is released under the GNU General Public License v3.0 or later and is open source.
Key features
Deepslate and sculk terrain
Deepslate, Tuff, Calcite and Sculk generate as strata in the overworld, with smooth world generation.
Rare white rock clusters
Bright spherical clusters of white rock appear occasionally within the stone layers.
Volcanic rock patches
Large uneven areas of volcanic rock interrupt the Deepslate strata in places.
Deepslate furnace recipes
Cobbled Deepslate smelts into smooth Deepslate, and Deepslate ores blast into ingots.
Modern block hardness
Deepslate blocks use increased hardness and breaking sounds that match the newer block behavior.
Lightweight generation
Chunk memory is accessed directly to replace blocks, and the sphere placement and sculk patching routines are kept light to limit world-loading lag and StackOverflow errors.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Questions
Does Deep-Retrograde need any other mod?
Does the server need Deep-Retrograde if players have it?
Which game version does Deep-Retrograde support?
In the catalog
Deep-Retrograde is one of 8,515 World generation mods on ModsFinder, and one of 5,058 World generation mods for Forge. 2,920 mods support Minecraft 1.12.2.
Similar mods
Official listing
- Modrinth page
- modrinth.com/mod/deep-retrograde
- Owner
- Rhineland905
- Published
- 2026-05-10
- Updated on Modrinth
- 2026-06-14
- Facts verified
- 2026-10-15