Maethrillian aims to provide a new balanced experience for Halo Wars 2, made to encourage playstyle diversity and interactivity. Changes have been made to almost every leader and unit.
Installer Run the installer to install/remove the latest released version of the Maethrillian mod. To install the mod, just download MaethrillianInstaller.exe and execute it. You will see the big MAETHRILLIAN as pictured below and the question Install or Remove? [I/R]. If you type i the mod will be installed. Typing r will remove the mod. Make sure you close your game in the meantime.