CobGyms - Unofficial Cobblemon Gyms

CobGyms - Unofficial Cobblemon Gyms

Fabric/Forge. Fight against randomised pre-built teams which scale to the level of your choosing in instanced Gym structures.

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Screenshots

Woodland themed Gym
Volcanic themed Gym
Aquatic themed Gym

About this Mod

! There is currently a compatibility issue with rad gyms, I have spoken to the author to try and fix it

Requirements CobGyms requires the following mods in order to function:

https://i.imgur.com/JEMjMMW.png

Woodland themed Gym


CobGyms

CobGyms is an unofficial implementation of Gyms using Cobblemon & Cobblemon Trainers for both Fabric and Forge. These have some similarity to the Gyms from the games but differ in a few unique ways which I hope are an improvement to the whole system.

There are 2 different ways of entering a Gym. You can enter via naturally spawning Gym Entrance structures in the overworld OR you can enter a random one by using a Poké Gym Key.

There are currently three themes of Gyms implemented: Woodland, Volcanic, Aquatic.

The Gym Leader and Gym Trainers teams are generated from a pre-defined selection based on the theme and scale to the Gym Pokémon level you chose, with any evolution logic being handled.

Losing or forfeiting against the Gym Leader or any of the Gym Trainers will result in a whiteout, which forces you to leave the Gym with no rewards.

Beating a Gym yields rewards that scale based on the Gym Pokémon level chosen, for example a level 30 Gym is much more likely to give better rewards than a level 5 Gym.


Gym Entrance Structures Gym Entrance structures are one of the two ways of entering Gyms. They will enter you into a specific themed Gym however can only be used a maximum of 3 times per player. There are currently three different of variants:

  • Woodland Gym Entrance - Most commonly found in forests, jungle, swamp etc.

  • Volcanic Gym Entrance - Most commonly found in deserts, mesa, savanna etc.

  • Aquatic Gym Entrance - Most commonly found in snowy biomes, taiga etc.


How to get Poké Gym Keys Poké Gym keys are one of the two ways of entering Gyms. They will enter you into a random themed Gym. There are currently three methods of acquisition:

  • Chests in Vanilla or Cobblemon structures (for example Villages or Gimmi Towers). For most chests there is about a 75% chance to contain a key, but this can differ based on the structure.

  • Mining between Y-level -40 and -60 to find Ancient Relics. These will always drop 1 Poké Gym Key when broken with a pickaxe, regardless of fortune or silk touch enchantments. It should be quite rare to find this ore.

  • Beating or Capturing a Wild Pokémon has a small chance to drop a key (which will notify the player in the chat). The chance varies between roughly 1-3%, with higher level Wild Pokémon having a higher drop chance. Capturing a Pokémon also gives a greater drop chance.


Poké Shards (Gym Completion Reward) Poké shards are one of the various rewards you can get for beating a Gym. There are four different types: Lesser, Adept, Master and Legendary. These drop at different Gym Pokémon level intervals:

  • Lesser: level 0-59 (most common at level 30)

  • Adept: level 30-89 (most common at level 60)

  • Master: level 60-100 (most common at level 90)

  • Legendary: level 90-100 (most common at level 100)

Poké shards are used to make a Poké Cache of the corresponding rarity, or can be dismantled to a lower rarity of Poké shards.

Poké Caches (Made from Poké Shards) Poké Caches are made from Poké shards. Poké caches come in four different rarities: Lesser, Adept, Master and Legendary.

When you use a Poké Cache you can choose a specific theme and you will get a random Pokémon of the given theme and rarity from a pre-defined list. For example using a Master Poké Cache and selecting the Volcanic theme has a chance of giving you a Charmander or Tyrunt or Gible etc. All Pokémon gained through a Poké Cache will start at level 1.

You can further craft a Shiny variant of a given Poké Cache by surrounding it with Poké Shards of the same rarity, which has the same functionality as a Poké Cache but has a higher chance of giving a Shiny (1/50 chance).

Legendary Poké Caches (crafted from Legendary Poké Shards) are the highest rarity and will give a random Legendary Pokémon. Currently the list only includes Legendary Pokémon that the official Cobblemon mod has models for which is only a handful. This is hopefully a unique and challenging way of getting Legendaries, as the Legendary Poké shards only drop from levels 90-100 and in very small quantities.

Wild Pokémon Level Scaling Wild Pokémon in a radius around you will occasionally (roughly every 10 mins) have their level scaled up. The level that they will be scaled to will be a bit less than your highest Gym Pokémon Level beaten. This only occurs if there are not already high level Wild Pokémon around the player.

This way Wild Pokémon around each player should start to follow the players progression a bit more, and players will start to see Wild Pokémon closer to their actual team level more regularly.

Commands

  • /cobgyms whichCache <pokemon> - Will tell you which Poké Cache(s) the given Pokémon is in and the chance that you get that specific Pokémon from that specific cache.
  • /cobgyms listCache <cache name> - Will tell you all of the Pokémon that can be obtained from a given cache, with the overall chance for any given Pokémon.
  • /cobgyms forceLeave <player> - Requires permission. Forces a given player to leave the instanced Gym incase they are stuck somehow and can't get to the exit.

Credits

  • I cannot thank Selfdot enough for not only creating Cobblemon Trainers but also for helping me extensively when trying to use his mod API. CobGyms would not have been possible without him.
  • Of course Cobblemon and the team behind it, again this wouldn't have been possible without them.

Having Issues?

You can find me in the Official Cobblemon Discord where I have a made a Support Thread. Let me know here if you have any issues or feedback.


Donate

Any support is appreciated, I have a Ko-fi where you can donate if you wish.


https://i.imgur.com/5FSGlON.png

Aquatic themed Gym


https://i.imgur.com/LNuafMr.png

Volcanic themed Gym


Available Versions

CobGyms - Unofficial Cobblemon Gyms 2.0.3release
MC 1.20.1fabric
March 12, 2025
CobGyms - Unofficial Cobblemon Gyms 2.0.3release
MC 1.20.1forge
March 12, 2025
CobGyms - Unofficial Cobblemon Gyms 2.0.2release
MC 1.20.1fabric
October 3, 2024
CobGyms - Unofficial Cobblemon Gyms 2.0.2release
MC 1.20.1forge
October 3, 2024
CobGyms - Unofficial Cobblemon Gyms 2.0.1release
MC 1.20.1fabric
October 1, 2024

How to Install CobGyms - Unofficial Cobblemon Gyms on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).

3

Install Mod

Open the mod browser in the dashboard and search for "CobGyms - Unofficial Cobblemon Gyms". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricforgeneoforge

Minecraft Versions

1.21.1, 1.20.1

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

CobGyms - Unofficial Cobblemon Gyms server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.

Is CobGyms - Unofficial Cobblemon Gyms compatible with fabric and forge and neoforge?

CobGyms - Unofficial Cobblemon Gyms officially supports fabric, forge, neoforge for Minecraft 1.21.1, 1.20.1. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with CobGyms - Unofficial Cobblemon Gyms – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if CobGyms - Unofficial Cobblemon Gyms consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

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Recommended RAM
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Details

License
Mozilla Public License 2.0
Server-side
Required

Supported Versions

1.21.11.20.1