Diorama64 #

All-in-one editor for Paper Mario DX mods.

Download Diorama64 for Windows, macOS, or Linux.

Diorama64 is alpha software, so expect bugs. Updating your mod to a newer version of Paper Mario DX can cause conflicts with your own changes, which you'll need to resolve by hand.

Building from source #

Linux and macOS #

Make sure you have Nix installed.

Clone the repo:

git clone https://tangled.org/starhaven.dev/diorama64
cd diorama64

Enter the Nix devshell (or run direnv allow once, if you use direnv):

nix develop

First-time build:

yarn install
yarn build

Then, to run Diorama64:

yarn debug

Changes to the source code are automatically picked up. Press Ctrl+R to reload the application.

Windows #

In PowerShell, install Git:

winget install Git.Git

Close and reopen PowerShell. Then run:

git clone https://tangled.org/starhaven.dev/diorama64
cd diorama64
powershell -ExecutionPolicy Bypass -File scripts\setup-windows.ps1

Close and reopen PowerShell. Then, in the diorama64 folder, run:

yarn debug

Changes to the source code are automatically picked up. Press Ctrl+R to reload the application.

Website #

The website at diorama64.starhaven.dev lives in site/. To work on it, run yarn install and then yarn dev inside site/.

Credits #

Diorama64 would not be possible without:

• Star Rod by Clover
• Paper Mario DX by Alexander Bates and Clover
• The Paper Mario decompilation
• Eclipse Theia
• ares
• LibreSprite
• Lola Retro by Zoki

See the app's About dialog for more information.

Copyright and license #

Copyright © 2026 Alexander Bates (alex@bates64.com)

Diorama64 is licensed under the BSD Zero Clause License. Some files, such as fonts, have their own licenses; see REUSE.toml.

Diorama64 is an independent fan project and is not affiliated with or endorsed by Nintendo or Intelligent Systems. Any mention of Paper Mario is for informational purposes only and doesn't imply any association with or endorsement by Nintendo.