There are 2 repositories under wesnoth-campaign topic.
UMC add-on SP Campaign for Battle for Wesnoth
A Wesnoth add-on campaign; originally by Anonymissimus
UMC add-on SP Campaign for the Battle for Wesnoth
A Wesnoth add-on campaign, originally by Turin. You probably want MoonyDragon's version instead.
A rework of the Battle for Wesnoth's Legend of Wesmere campaign. Intermediate Level, 14 scenarios.
SP Campaign for the Battle for Wesnoth.
User made campaign for Battle for Wesnoth. Originally created by kamikaze
A Wesnoth drake campaign, originally by MadMax
Hybrid modification for the Battle for Wesnoth, TBS game.
add-on campaign for The Battle for Wesnoth featuring the Akladians; originally by szopen
a Wesnoth UMC campaign; forked to clean up (originally by Paulomat4)
Repository for the Dwarvish Kingdom campaign for Wesnoth 1.14.x.
An add-on campaign for the 'Battle For Wesnoth' fantasy game.
Add-on campaign for Battle of Wesnoth; forked from mainline SotBE
SP Campaign for the Battle for Wesnoth
AToTB with "Normal" inserted between "Easy" and "Hard"
Campaign series for Battle for Wesnoth (very WIP)
A single-player scenario for the Battle for Wesnoth game featuring the War of Legends MP Era.
User made campaign for Battle for Wesnoth. Originally created by Joshua
A Wesnoth user-made campaign originally by Argesilao, forked to add an EASY difficulty
Forked to submit pull requests from; main work on this campaign with still go in my other repo for it
UMC add-on SP Campaign for the Battle for Wesnoth
Single-player scenario for Wesnoth
Invasion from the Unknown, a Battle for Wesnoth add-on campaign.
SP Campaign for the Battle for Wesnoth.
A Wesnoth campaign; I was going to forward-port this from older versions to newer ones until vghetto beat me to it
add-on for Battle for Wesnoth
An Orcish Incursion, an add-on campaign for the Battle for Wesnoth, reworked to be better than it once was.
MP Campaign for the TBS game, the Battle for Wesnoth