Bacterium

Evidence

Ran on Kiln's test stand (2026-11-04): Bacterium did not start: java.lang.NoClassDefFoundError: net/minecraft/world/item/SplashPotionItem.

What it needs from Kiln

• an access widener
• net.minecraft.core.RegistryAccess
• net.minecraft.nbt.CompoundTag
• net.minecraft.stats.StatType
• net.minecraft.stats.Stats
• net.minecraft.tags.BlockTags
• net.minecraft.tags.FluidTags
• net.minecraft.util.context.ContextMap
• net.minecraft.world.entity.MobCategory
• net.minecraft.world.entity.projectile.Projectile
• net.minecraft.world.entity.projectile.Projectile.ProjectileFactory
• net.minecraft.world.entity.projectile.throwableitemprojectile.ThrownSplashPotion
• net.minecraft.world.item.ItemInstance
• net.minecraft.world.item.SplashPotionItem
• net.minecraft.world.item.enchantment.EnchantmentHelper
• net.minecraft.world.item.enchantment.Enchantments
• net.minecraft.world.level.block.BaseEntityBlock
• net.minecraft.world.level.block.RenderShape
• net.minecraft.world.level.block.entity.BlockEntity
• net.minecraft.world.level.block.entity.BlockEntityTicker
• net.minecraft.world.level.block.entity.BlockEntityType
• net.minecraft.world.level.block.state.properties.Property.Value
• net.minecraft.world.level.material.FluidState
• net.minecraft.world.level.material.Fluids
• net.minecraft.world.level.material.MapColor
• net.minecraft.world.level.storage.ValueInput
• net.minecraft.world.level.storage.ValueInput.ValueInputList
• net.minecraft.world.level.storage.ValueOutput
• net.minecraft.world.level.storage.ValueOutput.ValueOutputList
• net.minecraft.world.level.storage.loot.LootParams
• net.minecraft.world.level.storage.loot.LootParams.Builder
• net.minecraft.world.level.storage.loot.parameters.LootContextParamSets
• net.minecraft.world.level.storage.loot.parameters.LootContextParams
• DefaultedRegistry.getOptional()
• Holder.getRegisteredName()
• Registry.getOrThrow()
• Registries.ENCHANTMENT
• ServerLevel.getFluidState()
• ServerLevel.registryAccess()
• SoundEvents.SPLASH_POTION_THROW
• InteractionHand.asEquipmentSlot()
• and 18 more

On the roadmap: Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Bacterium Mod For Minecraft

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file bacterium-fabric-26.3-26.3.0.0.jar. The scan reads the mod's classes; it does not run them.