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github-actions[bot] edited this page Oct 24, 2026
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A campaign editor for Rome: Total War (with REX) and Medieval II: Total War (with M2EX). Factions, the map, towns, armies, characters, units, buildings, diplomacy, texts and pictures - all in one window. Every change is shown before it is written, and a backup lets you go back. Free.
Download: Releases - only from there · ▶ Videos: YouTube · 💬 Discord: questions, ideas, news
- Installing - download, where to put it, Windows warnings, Linux and macOS
- First steps - your first change in six steps
- FAQ - common questions
- Reporting a bug - something went wrong
| Game | Original exe | With the engine |
|---|---|---|
| Rome: Total War (Gold / Steam), Barbarian Invasion, Alexander | works, the game's own limits apply | REX - no limits |
| Medieval II: Total War and Kingdoms | works, the game's own limits apply | M2EX - no limits |
Any mod of these games loads. Medieval II from Steam loads straight from its packs - nothing to unpack.
| Area | What you do there |
|---|---|
| Factions | make a new one or edit one: names, colours, money, towns, leader, garrisons, diplomacy, victory |
| Campaign map | move towns and armies; paint regions, terrain, rivers and heights; make the map bigger; see it in 3D |
| Units and buildings | edit them, make new ones, bring them from another mod |
| Characters | traits, retinue, ages, names, the family tree, portraits |
| Pictures | replace or recolour a faction's pictures, make emblems and banners |
| Rules and scripts | campaign settings in plain words, ready add-ons, your own scripts |
| Safety | your own mod folder, preview, backups, Restore, Undo / Redo, Check mod files |