Mod

Invasion from the Unknown

Epic story campaign with bespoke unit lines and custom soundtrack.

0 playing now

For The Battle for Wesnoth · Browse servers

What it changes

Adds a full multi-chapter single-player campaign, new unit lines, custom terrain textures, and original musical tracks.

Invasion from the Unknown is a community add-on for The Battle for Wesnoth. Iris Morelle's campaign is one of the most celebrated Wesnoth sagas, fully updated for Wesnoth 1.18 with complete tactical scenarios. Install directly via 1-click launcher extraction or inside Wesnoth via Main Menu → Add-ons → Connect. Mods are versioned separately from the base game — match the recommended engine or client release before joining multiplayer, and keep a clean backup of your settings if you experiment with several packs at once. PlayBound only lists projects that publish redistributable archives or clear external download pages. Always read the upstream README for credits, required assets, and known incompatibilities.

Download page

This package isn't one-click yet. Open the official download page in your browser, then place files in the game's mods folder.

Open download pageAll mods for The Battle for Wesnoth

How to install Invasion from the Unknown

1
Install The Battle for Wesnoth first if you have not already — Invasion from the Unknown is an add-on and needs the base game.
2

The quickest route is the PlayBound Launcher: open The Battle for Wesnoth, find Invasion from the Unknown in its mods list and press Install. The launcher downloads the official release and places it in the right folder for you.

Invasion from the Unknown is distributed through https://github.com/project-ethea/Invasion_from_the_Unknown. Follow the instructions there — some add-ons install through the base game's own content browser rather than as a file.

Frequently asked questions about Invasion from the Unknown

Is Invasion from the Unknown free?

Yes. Invasion from the Unknown is released under GPL-2.0-or-later and costs nothing. Neither it nor The Battle for Wesnoth has any paid content.

What do I need to run Invasion from the Unknown?

The Battle for Wesnoth, which is itself free. Invasion from the Unknown is an add-on and will not run standalone.

How do I install Invasion from the Unknown?

The PlayBound Launcher installs it in one click from The Battle for Wesnoth's mods list. You can also install it by hand — full steps are on this page.

How big is Invasion from the Unknown?

Roughly 48 MB, on top of the base The Battle for Wesnoth installation.

Is Invasion from the Unknown open source?

Yes. The source is published at github.com/project-ethea/Invasion_from_the_Unknown under GPL-2.0-or-later.