This mod by Zugone replaces the Assassination game mode (only when it is active in mod manager, otherwise assassination mode is unchanged) victory conditions so that all Commanders and Support Commanders must be destroyed.
Extract the .zip file anywhere, this file includes a Zugone_COC.scd file, this file MUST go into your /gamedata folder to use the mod. Once it is there go to extras./mod manager. in game and select Chain of Command to Activate the mod.
name = "Chain of Command"
version = 1.0
copyright = "Copyright © 2000, Zugone Nova"
description = "Assassination Game Mode Changed. Commanders + Subcommanders must be destroyed"
author = "Zugone"
url = "firstname.lastname@example.org"
exclusive = false
ui_only = false