Total Annihilation: Kingdoms – The Iron Plague
Expansion of Total Annihilation: Kingdoms
PC
Atari, GT Interactive
Where to buy
Total Annihilation: Kingdoms – The Iron Plague is a real-time strategy (RTS) video game expansion pack developed by Cavedog Entertainment and published by GT Interactive. Released in March 2000 for Microsoft Windows, it serves as the first and only official expansion to the 1999 fantasy real-time strategy game Total Annihilation: Kingdoms.
The Iron Plague marks the final commercial release developed by Cavedog Entertainment prior to the studio’s closure following the financial dissolution of its parent company, GT Interactive. The expansion fundamentally shifts the game’s core ideological conflict by introducing a fifth playable faction centered on industrial engineering and clockwork technology, contrasting with the elemental magic and sorcery that defined the original four civilizations.
Technical Specifications
| Attribute | Details |
|---|---|
| Developer | Cavedog Entertainment |
| Publisher | GT Interactive |
| Engine | Total Annihilation Engine (Modified with script and pathing fixes) |
| Platform(s) | Microsoft Windows |
| Release Date | • NA: March 5, 2000 • EU: March 7, 2000 |
| Genre(s) | Real-time strategy |
| Modes | Single-player, Multiplayer |
Plot and Campaign Architecture
The single-player campaign of The Iron Plague consists of 25 chronologically sequential missions that directly follow the events of the base game’s narrative.
Narrative Arc
Following the conclusion of the Great War, the factions of Aramon and Veruna emerge victorious over the dark, magic-wielding alignments of Taros and Zhon, leaving the continent of Darien in a state of fragile peace and rebuilding. The geopolitical status quo is disrupted when bounty hunters unearth a crashed reconnaissance craft made of wood, canvas, and intricate metallic clockwork—possessing zero traces of magical resonance.
This discovery reveals the existence of Creon, an isolated empire that has quietly advanced its society through pure empirical science. Interpreting the magical monarchs of Darien as archaic, volatile tyrants, the Sage-Ruler of Creon mobilizes his industrial military forces to invade and forcefully annex the continent, triggering a multi-front war between industrial machinery and traditional sorcery.
The Creon Faction
The defining addition of the expansion is the Kingdom of Creon, which rejects the elemental magic engine of the baseline civilizations. While Creon still relies on the universal streaming Mana resource pool (internally categorized as Mogrium) gathered from Lodestones, its thematic layout is entirely industrial, emphasizing high reload velocity, complex mechanical tracking, and dense ballistic fire.
“Creon approaches combat with the clinical efficiency of an assembly line. Where a wizard spends time channeling a single fireball, a Creon engineer can deploy a battery of automated repeating crossbows.” — Original System Guide Documentation
Unit Roster Metrics
Creon features a highly asymmetrical unit roster with dedicated land, air, and sea capabilities designed to counter magical super-units:
| Unit Type | Unit Classification | Tactical Combat Role & Passives |
|---|---|---|
| Mechanic / Construction Crew | Infrastructure Builder | Rapid structural assembly metrics; repairs damaged machinery on the frontline much faster than magical builders. |
| Automated Gatling Crossbow | Ranged Line Infantry | Discharges a high-volume, continuous hitscan volley of physical bolts to shred incoming infantry charges. |
| Steam Tank | Heavy Armored Vehicle | Slowly maneuvers across open terrain to act as a physical shield, firing heavy kinetic explosive shells. |
| Submersible | Maritime Stealth Vessel | Navigates entirely beneath the water layer, completely immune to standard land projectiles; specialized for surprise anti-ship torpedo ambushes. |
| Barnstormer | Aerial Reconnaissance | A mechanical flying glider unit used to rapidly clear the fog of war and track enemy movement from above. |
| Shock Trooper | Elite Heavy Infantry | Clockwork-armored frontline shock units armed with high-voltage physical shock batons. |
Multiplayer Additions and The Darien Crusades
The Iron Plague heavily augmented the multiplayer component of Total Annihilation: Kingdoms:
- Reworked Map Pool: The expansion injected 25 highly detailed multiplayer maps into the directory, incorporating unique terrain obstacles, chokepoints, and high-density mana vent sectors.
- The Darien Crusades: A specialized, cooperative multiplayer layout launched natively on Cavedog’s multiplayer matchmaking platform, Boneyards. This mode allowed multiple players to form persistent military alliances online to defend against escalating waves of automated enemy legions across dynamic regional sectors.
Reception and Studio Closure
Critical reception for The Iron Plague was generally favorable, with reviewers considering it a substantial and creative addition to a game that had received a polarized reception at launch. Gaming publications highly praised the stark mechanical and visual contrast that the industrial, steampunk-inspired Creon faction brought to the fantasy environment, as well as the polished mission design of the new solo campaign.
However, the commercial footprint of the expansion was severely cut short by the financial collapse of Cavedog Entertainment. Due to massive, mounting financial deficits incurred by parent publisher GT Interactive, the studio was officially shut down shortly around the expansion’s release window, rendering ongoing patch deployment, balance passes, and official server matchmaking loops via Boneyards permanently defunct.
Preservation and Modern Standard
In the contemporary real-time strategy ecosystem, The Iron Plague is preserved as a singular, unified software entity alongside its core game. Digital storefronts, including GOG.com and Steam, distribute the title packaged as Total Annihilation: Kingdoms + Iron Plague, which automatically integrates all five factions, updated multiplayer maps, and the 25 expansion scenarios directly into a single installation folder.
The digital version runs under modern 64-bit multi-core operating systems like Windows 10 and Windows 11 via integrated community-backed DirectDraw compatibility wrappers, allowing the historic conflict between Creon’s industrial clockwork machines and Darien’s elemental sorcerers to scale cleanly into native 1080p and 1440p widescreen desktop formats with zero graphical artifacting out-of-the-box.



