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OreSpawn 3 Legacy Documentation
JohnBraham edited this page Jul 29, 2026
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These pages document OreSpawn 3 for legacy Minecraft 1.10/1.12 installations. For the current engine, start with the OreSpawn 4 documentation.
OS3 and OS4 use different configuration formats. Keep using the OS3 pages when maintaining an older game, server, or modpack.
- OreSpawn 3 JSON Documentation
- OreSpawn 3 Simple Integration
- Block Definitions
- A working example
- Default Feature Generator
- Normal Cloud and Clusters feature generators
- Precision Feature Generator
- Vein Feature Generator
- Features File Format
- Presets File Format
- Inter Mod Communication
The original page filenames remain unchanged, so existing bookmarks and links continue to work.
MMD OreSpawn
OreSpawn 4
- Start here
- Player and server guide
- Geomes and formations
- Ore patterns and runtime features
- Biomes and world materials
- Terrain dimensions
- Geology templates
- Configuration reference
- Worldgen providers
- Developer guide
- Java API
- Migration
- Troubleshooting
OreSpawn 3 Legacy
- OS3 documentation index
- OS3 JSON documentation
- OS3 simple integration
- Block definitions
- Working example
- Feature file format
- Preset file format
- Inter Mod Communication
Project links