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Cobblemon: Extra Structures

by Roi_Pasteque

Cobblemon: Extra Structures is an addon for Cobblemon that adds new structures and more ways to find legendary Pokémon, and it needs Cobblemon installed.

FabricNeoForgeServer required, client optionalAll rights reserved1.21.1

What it does

Cobblemon: Extra Structures adds three new worldgen structures that can be found while exploring. Each structure's spawn chance, spacing and separation can be changed in the mod's JSON files, and its allowed biomes can be set by id or by tag, so a server owner decides where each one appears.

On NeoForge, Pokémon that are caught or defeated inside these structures reappear there over time. A config file controls the respawn interval, with a default of 168000 ticks for structures with unique spawns and 24000 ticks for structures with varied encounters, and a value of -1 turns respawning off. The Fabric build does not share this behavior: its spawner blocks did not work, so Pokémon there appear only once, and they lack varied stats and shiny odds.

Cobblemon: Extra Structures requires Cobblemon. It is published for Fabric and NeoForge under the 1.21.1 game version, with the latest file 1.21.1-1.3.0 for 1.21.1 dated 2026-05-10. The server is required and the client is optional, and the mod is released under All rights reserved, so it is not open source, though its source code is publicly linked.

Key features

  1. Three new structures

    Three new structures are added to the world as places to explore and find Pokémon.

  2. Adjustable spawn settings

    Weight, spacing and separation values in the structure set files control how often each structure generates.

  3. Biome control

    The biomes key in each structure file accepts a biome id or a biome tag, limiting a structure to chosen biomes.

  4. Pokémon respawning

    On NeoForge, Pokémon respawn inside their structure after being caught or defeated, with the interval set in a config file.

Compatibility

Latest build for each game version and loader.

1.21.11.21.1-1.3.01.21.1-1.3.0
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

CobblemonA Pokémon mod for Fabric and NeoForge
Required

Incompatible 1

Concurrent Chunk Management Engine (Fabric)A Fabric mod designed to improve the chunk performance of Minecraft.
Incompatible

Use cases

Server customization

Server owners can edit the structure files and redistribute the modified mod file to friends for a server.

Who it’s for: Players who want more places to explore and more chances to find legendary Pokémon in a Cobblemon world, and server owners who want to adjust where those structures generate.

Questions

Does Cobblemon: Extra Structures need Cobblemon?

Yes. Cobblemon is a required dependency, so it must be installed alongside the mod on Fabric or NeoForge.

Does the server need the mod?

Yes. It is required on the server and optional for players.

Do Pokémon respawn on Fabric?

No. On Fabric the spawner blocks did not work, so Pokémon in these structures appear only once. Respawning is available on NeoForge only.

Can the structure spawn rate be changed?

Yes. The weight, spacing and separation values in the structure set JSON files control the spawn chance and frequency of each structure.

In the catalog

Cobblemon: Extra Structures is one of 19,031 Adventure mods on ModsFinder, and one of 10,052 Adventure mods for Fabric. 32,366 mods support Minecraft 1.21.1.

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What the author says

An addon for Cobblemon adding new structures and ways to find Pokémons. Looking for someone to help make models and textures for Minecraft modding!
Roi_Pasteque, on the Modrinth page

Official listing

Owner
Roi_Pasteque
Published
2025-02-19
Updated on Modrinth
2026-05-10
Facts verified
2026-10-15

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