Genesis

Evidence

Ran on Kiln's test stand (2026-11-04): Genesis did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload; GenesisClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/particles/ParticleType.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry
• net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry.Builder
• net.fabricmc.fabric.api.biome.v1.BiomeModifications
• net.fabricmc.fabric.api.biome.v1.BiomeSelectors
• net.fabricmc.fabric.api.client.item.v1.ItemTooltipCallback
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.client.particle.v1.ParticleProviderRegistry
• net.fabricmc.fabric.api.client.particle.v1.ParticleProviderRegistry.PendingParticleProvider
• net.fabricmc.fabric.api.client.recipe.v1.sync.ClientRecipeSynchronizedEvent
• net.fabricmc.fabric.api.client.rendering.v1.ModelLayerRegistry
• net.fabricmc.fabric.api.client.rendering.v1.ModelLayerRegistry.TexturedLayerDefinitionProvider
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterInit
• net.fabricmc.fabric.api.entity.event.v1.EntitySleepEvents
• net.fabricmc.fabric.api.entity.event.v1.EntitySleepEvents.AllowSleeping
• net.fabricmc.fabric.api.entity.event.v1.EntitySleepEvents.StartSleeping
• net.fabricmc.fabric.api.entity.event.v1.ServerEntityLevelChangeEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerEntityLevelChangeEvents.AfterPlayerChange
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AfterDamage
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AfterDeath
• net.fabricmc.fabric.api.entity.event.v1.ServerPlayerEvents.Join
• net.fabricmc.fabric.api.event.EventFactory
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.EndDataPackReload
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.BooleanRuleBuilder
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.DoubleRuleBuilder
• net.fabricmc.fabric.api.gamerule.v1.GameRuleEvents
• net.fabricmc.fabric.api.gamerule.v1.GameRuleEvents.ValueUpdate
• net.fabricmc.fabric.api.item.v1.DefaultItemComponentEvents
• net.fabricmc.fabric.api.item.v1.DefaultItemComponentEvents.ModifyCallback
• net.fabricmc.fabric.api.item.v1.DefaultItemComponentEvents.ModifyConsumer
• net.fabricmc.fabric.api.item.v1.DefaultItemComponentEvents.ModifyContext
• and 82 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

Overhauls Minecraft's progression system to be more nuanced and refined. Adding more friction before reaching The End.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file genesis-1.9.1.jar. The scan reads the mod's classes; it does not run them.