Once you download Neo Cosmos from itch.io, you can follow this instruction to install it and play it. Please note that you have to own A Dance of Fire and Ice to play this DLC.

🍎 Note for Mac users

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Because of macOS security measures, apps downloaded from websites like itch.io may have limited behavior by the operating system, including loading Neo Cosmos properly. We heavily recommend downloading both ADOFAI and Neo Cosmos from the itch.io official app to make this work! Otherwise you may get unintended errors. Otherwise you may get unintended errors that can lead of ADOFAI not recognizing Neo Cosmos.

</aside>

Video guide

https://youtu.be/pqJZEqN9MWc

It is for Windows but for Mac or linux, it is pretty much the same!

On Windows:

  1. Extract neo-cosmos-win.zip in a folder called Bundles.
  2. Place this Bundles folder in the same folder where A Dance of Fire and Ice.exe is located.

On Mac:

Screenshot 2025-08-13 at 4.52.19 PM.png

  1. Extract neo-cosmos-mac.zip in a folder called Bundles.
  2. Place this Bundles folder in the same folder where ADanceOfFireAndIce.app is located.

Run the game, and you should be able to enter to the Neo Cosmos portal. If you have any questions, go to our Discord for developer support, or email us at [email protected].

Have fun!