Using mods

Use this guide to install and enable an existing content pack. For authoring, see Creating mods; for file formats and compatibility details, see Modding.

Install a local pack

1. Open Mods → Create from the title screen, then use Open mods folder in the Edit step to reach the correct local folder.
2. Put the downloaded pack folder directly inside that mods directory. The pack's manifest.json must be at its root, not hidden inside another nested folder.
3. Open Mods and enable the pack. Restart the game so the content catalog reloads.

On a standard Windows installation, the local directory is normally %APPDATA%\Godot\app_userdata\2D Tower\mods\. Use the game's folder button to locate it when the installation differs.

Use a Steam Workshop pack

Subscribe to the item through Steam Workshop. Steam manages its installation folder. New subscriptions start disabled: enable the pack in Mods and restart the game. Keep Workshop items in Steam's managed location.

When a pack or save does not load

Symptom	First check
Local pack is absent	A direct subfolder of the local mods directory must contain manifest.json.
Installed content is unavailable	Enable it in Mods, then restart after installation or any selection change.
Pack fails validation	Read the reported error and check the pack's dependencies. Authors can use Creating mods and Modding.
Save reports missing or incompatible content	Install and enable the original required packs, with matching compatibility versions and referenced content IDs. A similarly named pack does not substitute for the required identity.

Saves record pack identities, compatibility versions and Workshop IDs. Keep the packs needed by a save available when updating or disabling mods.