Much More Dungeons

Evidence

Ran on Kiln's test stand (2026-11-04): MuchMoreDungeonsFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/levelgen/structure/StructurePiece.

What it needs from Kiln

• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.arguments.coordinates.BlockPosArgument
• net.minecraft.core.RegistryAccess
• net.minecraft.nbt.CompoundTag
• net.minecraft.world.entity.EntitySpawnReason
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.Mob
• net.minecraft.world.level.BaseSpawner
• net.minecraft.world.level.ChunkPos
• net.minecraft.world.level.LevelHeightAccessor
• net.minecraft.world.level.ServerLevelAccessor
• net.minecraft.world.level.StructureManager
• net.minecraft.world.level.block.Mirror
• net.minecraft.world.level.block.Rotation
• net.minecraft.world.level.block.entity.BlockEntity
• net.minecraft.world.level.block.entity.RandomizableContainerBlockEntity
• net.minecraft.world.level.block.entity.SpawnerBlockEntity
• net.minecraft.world.level.chunk.ChunkGenerator
• net.minecraft.world.level.chunk.LevelChunk
• net.minecraft.world.level.levelgen.Heightmap
• net.minecraft.world.level.levelgen.Heightmap.Types
• net.minecraft.world.level.levelgen.WorldgenRandom
• net.minecraft.world.level.levelgen.structure.BoundingBox
• net.minecraft.world.level.levelgen.structure.Structure
• net.minecraft.world.level.levelgen.structure.Structure.GenerationContext
• net.minecraft.world.level.levelgen.structure.Structure.GenerationStub
• net.minecraft.world.level.levelgen.structure.Structure.StructureSettings
• net.minecraft.world.level.levelgen.structure.StructureStart
• net.minecraft.world.level.levelgen.structure.StructureType
• net.minecraft.world.level.levelgen.structure.TemplateStructurePiece
• net.minecraft.world.level.levelgen.structure.pieces.StructurePieceSerializationContext
• net.minecraft.world.level.levelgen.structure.pieces.StructurePieceType
• net.minecraft.world.level.levelgen.structure.pieces.StructurePiecesBuilder
• net.minecraft.world.level.levelgen.structure.templatesystem.BlockIgnoreProcessor
• net.minecraft.world.level.levelgen.structure.templatesystem.StructurePlaceSettings
• net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemplate
• and 25 more

On the roadmap: Code next to data (0.3), Machines (0.4)

In the author's words

Four handcrafted dungeons and six procedural jigsaw labyrinths, each with tiered loot, themed spawners and a named guardian, linked by treasure maps. Fabric, NeoForge and Forge, 1.20.1 to 26.3.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file muchmoredungeons-fabric-26.3-2.0.1.jar. The scan reads the mod's classes; it does not run them.