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Incubators

Provi edited this page Aug 14, 2026 · 3 revisions

Gameplay

Incubators are items used to incubate and hatch eggs. Each incubator has a capacity and a hatch rate; the capacity determines how many eggs the incubator can store and the hatch rate is how many eggs the incubator can process at once.

Storage

Incubators act similarly to Ender Chests, each incubator is connected to a named storage and will process eggs from that storage. All default incubators, except gold, connect to a storage called "main". The Gold Incubator instead connects to a separate storage called "gold". This means that if you put eggs inside a Copper Incubator, you will still see them inside an Iron Incubator but not a Gold Incubator.

Additionally the strongest incubator you've ever opened will determine the properties of your egg storage for that type. If your "main" storage currently has copper properties, then opening an Iron Incubator for the first time will upgrade it to iron's properties. If you ever lose your Iron Incubator and are back on Copper again, your "main" storage (and thus the Copper Incubator) will still act as iron.

Ownership

To prevent players from sharing incubators, the first player to use an incubator binds it to themselves. You cannot open an incubator owned by another player.

Recipe

The recipes should all be visible with EMI. Players should be able to see any Polymer recipe in EMI if they have the following installed:

Otherwise the default recipes are:
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Server Settings

The default incubator config is as follows:

{
  "gold": {
    "capacity": 32,
    "eggs_to_tick_simultaneously": 32
  },
  "diamond": {
    "capacity": 96,
    "eggs_to_tick_simultaneously": 4
  },
  "copper": {
    "capacity": 8,
    "eggs_to_tick_simultaneously": 1
  },
  "iron": {
    "capacity": 64,
    "eggs_to_tick_simultaneously": 2
  },
  "netherite": {
    "capacity": 128,
    "eggs_to_tick_simultaneously": 8
  }
}

These settings can be edited to change the parameters of each incubator. New incubator tiers can also be created by adding additional JSON objects to the config.

A new "super" incubator can be added by adding this object the config. It won't receive an item in-game, but the /give command can be used to create an incubator that uses the "super" tier.

  "super": {
    "capacity": 1024,
    "eggs_to_tick_simultaneously": 32
  }

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