Exotic Worlds

Evidence

Ran on Kiln's test stand (2026-11-04): ExoticWorldsFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/server/packs/resources/PreparableReloadListener; ExoticWorldsFabricClient did not start: java.lang.IllegalStateException: Platform is not set — the loader entrypoint must call Platforms.set first..

What it needs from Kiln

• an access widener
• Mixin
• io.netty.buffer.ByteBuf
• io.netty.buffer.Unpooled
• io.netty.handler.codec.DecoderException
• net.fabricmc.api.EnvType
• 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.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.SyncDataPackContents
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.resource.v1.ResourceLoader
• net.fabricmc.fabric.impl.menu.Networking
• net.fabricmc.fabric.impl.menu.Networking.OpenScreenPayload
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.advancements.triggers.SimpleCriterionTrigger
• net.minecraft.advancements.triggers.SimpleCriterionTrigger.SimpleInstance
• net.minecraft.client.OptionInstance
• net.minecraft.client.OptionInstance.TooltipSupplier
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.CycleButton
• net.minecraft.client.gui.components.CycleButton.Builder
• net.minecraft.client.gui.components.CycleButton.OnValueChange
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.ScrollableLayout
• net.minecraft.client.gui.components.StringWidget
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.layouts.CommonLayouts
• net.minecraft.client.gui.layouts.HeaderAndFooterLayout
• net.minecraft.client.gui.layouts.LayoutSettings
• net.minecraft.client.gui.layouts.LinearLayout
• net.minecraft.client.gui.screens.worldselection.CreateWorldScreen
• net.minecraft.client.gui.screens.worldselection.WorldCreationContext
• net.minecraft.client.gui.screens.worldselection.WorldCreationUiState
• net.minecraft.client.multiplayer.ClientChunkCache
• net.minecraft.core.Direction.Axis
• and 81 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

Sail west and come home from the east. Cross the world's edge and you come back in from the opposite side. No walls, no teleports, one seamless world.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file exotic_worlds-1.2.5+mc26.3.jar. The scan reads the mod's classes; it does not run them.