Sponges Overhaul

Evidence

Ran on Kiln's test stand (2026-11-04): SpongesOverhaul did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/material/MapColor.

What it needs from Kiln

• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder.Factory
• net.minecraft.core.BlockPos.TraversalNodeStatus
• net.minecraft.core.Direction.Axis
• net.minecraft.core.particles.ColorParticleOption
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.tags.BlockTags
• net.minecraft.tags.EntityTypeTags
• net.minecraft.world.attribute.EnvironmentAttributeSystem
• net.minecraft.world.attribute.EnvironmentAttributes
• net.minecraft.world.entity.AreaEffectCloud
• net.minecraft.world.entity.EntitySpawnReason
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.Mob
• net.minecraft.world.item.CreativeModeTab.Builder
• net.minecraft.world.item.CreativeModeTab.DisplayItemsGenerator
• net.minecraft.world.item.CreativeModeTab.ItemDisplayParameters
• net.minecraft.world.item.CreativeModeTab.Output
• net.minecraft.world.item.CreativeModeTab.Row
• net.minecraft.world.level.block.BaseFireBlock
• net.minecraft.world.level.block.EntityBlock
• net.minecraft.world.level.block.FireBlock
• net.minecraft.world.level.block.SoulFireBlock
• net.minecraft.world.level.block.entity.BlockEntity
• net.minecraft.world.level.block.entity.BlockEntityType
• net.minecraft.world.level.material.FluidState
• net.minecraft.world.level.material.LavaFluid
• net.minecraft.world.level.material.MapColor
• net.minecraft.world.level.material.WaterFluid
• net.minecraft.world.phys.AABB
• BlockPos.betweenClosed()
• BlockPos.breadthFirstTraversal()
• Direction.getAxis()
• Direction.getRandom()
• Holder.Reference.is()
• BuiltInRegistries.BLOCK_ENTITY_TYPE
• BuiltInRegistries.CREATIVE_MODE_TAB
• Registries.BLOCK_ENTITY_TYPE
• SoundEvents.SPONGE_ABSORB
• SoundEvents.WET_SPONGE_DRIES
• and 18 more

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

In the author's words

This mod adds 7 new sponge types — water, lava, fire, mob, snow, potion, and diamond. Arrange 8 of the same type in a 2×2×2 cube to unleash their full potential.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file sponges-overhaul-1.0.2-26.3.jar. The scan reads the mod's classes; it does not run them.