⚜ SteamCozy

Home / Games / The Horus Heresy: Battle of Tallarn - Iron Edition

The Horus Heresy: Battle of Tallarn - Iron Edition

The Horus Heresy: Battle of Tallarn - Iron Edition

The Horus Heresy: Battle of Tallarn is a turn-based strategy game that recreates one of the most important events in Imperial history. Command a vast array of tanks, Dreadnoughts, Knights and Titans across the toxic landscape.

Released Feb 8, 2017 Developer HexWar Games Platforms Windows · Mac StrategyWarhammer 40KGames WorkshopTurn-BasedTurn-Based Strategy
View on Steam ↗ Free (US · as of 2026-05-13)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.

53.9%positive76 reviews
Recommended · 40 found this helpful

“Battle of Tallarn is a decent hex-based tactics game. Very minimalistic in design and visuals, obviously low-budget. Also, it's an iOS port, so if you're alergic to such things, stay away. This game has a lot of problems, beginning with serious balance issues, clunky UI and…”

— a player, Steam review · 6 hrs played
Recommended · 13 found this helpful

“I know this game gets a lot of heat for being ugly, unbalanced (for the Traitor faction in particular) and troops missing "all the time" but it's really not that bad. Make no mistake, it's definitely taken a spill from the ugly tree hitting every branch on the way down, but Its…”

— a player, Steam review · 7 hrs played
Not recommended · 22 found this helpful

“40k themed port of Hexwar's basic WW2 game engine. Many of the missions are exceedingly awful pieces of design, with narrow chokepoints which leave a player little to no choice as to how to proceed, and enemies arriving behind friendly forces with the ability to flank and shoot…”

— a player, Steam review · 9 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-28.

16achievements
3.2%median completion
0.8%rarest: Complete 30 scenarios on hard difficulty
74.9% of players 51.9% of players 39.7% of players 23.5% of players 13.5% of players 5.6% of players 4.6% of players 3.9% of players 3.2% of players 2.7% of players 2.1% of players 1.8% of players 1.7% of players 1.2% of players 0.9% of players 0.8% of players 74.9% 0% most earned rarest
Almost everyone has
74.9%Destroy 3 enemies without a loss — Destroy 3 enemies without a loss
51.9%Destroy 8 enemies without a loss — Destroy 8 enemies without a loss
39.7%Destroy 12 enemies without a loss — Destroy 12 enemies without a loss
Rarest badges of honor
0.8%Complete 30 scenarios on hard difficulty — Complete 30 scenarios on hard difficulty
0.9%Destroy 10 Warlords — Destroy 10 Warlord Titans
1.2%Complete 10 scenarios on hard difficulty — Complete 10 scenarios on hard difficulty

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jun 13, 2018
Update.

Fixed an issue with large units like titans not melee attacking, this issue could also occasionally cause the game to crash.

May 31, 2018
Iron Within

Added 4 Scenarios to the Iron Within campaign. Added a brand new mission called The Skull Catacombs in Skull Point.

Jul 20, 2017
Skulls for the Skull Throne - Skull Point

As part of the festival of Warhammer gaming we have updated The Horus Heresy: Battle of Tallarn - Iron Edition to include Skull Point. Perturabo, Primarch of the Iron Warriors, has always had a haunti

Jun 30, 2017
Brand New Underworld DLC

This update adds a brand new Underworld IAP which includes: 6 Standalone Scenarios, playable as both sides. 9 New combat units http://store.steampowered.com/app/638760/

Mar 21, 2017
Fourth Patch

We have released an update today that fixes and issue where the game could become unresponsive when exiting a menu. This latest build also provides access to our new DLC http://store.steampowered.com/

Games like The Horus Heresy: Battle of Tallarn - Iron Edition

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Warhammer 40,000: Armageddon (Classic) Warhammer 40,000: Armageddon (Classic) 82.9% · 727 reviews shares Warhammer 40k, Games Workshop, Hex Grid, Turn Based Warhammer 40,000: Gladius - Relics of War Warhammer 40,000: Gladius - Relics of War 80.1% · 9,238 reviews shares Warhammer 40k, Games Workshop, Hex Grid, Turn Based Warhammer 40,000: Battlesector Warhammer 40,000: Battlesector 86.1% · 4,004 reviews shares Warhammer 40k, Games Workshop, Turn Based, War Panzer Corps Gold Panzer Corps Gold 90.9% · 1,580 reviews shares Tanks, Hex Grid, Turn Based, War Blood Bowl - Legendary Edition Blood Bowl - Legendary Edition 76.1% · 794 reviews shares Warhammer 40k, Games Workshop, Turn Based, Turn Based Strategy Blood Bowl: Chaos Edition (Classic) Blood Bowl: Chaos Edition (Classic) 80.1% · 1,242 reviews shares Warhammer 40k, Games Workshop, Turn Based, Turn Based Strategy Space Hulk (Classic) Space Hulk (Classic) 71.0% · 1,450 reviews shares Warhammer 40k, Games Workshop, Turn Based, Turn Based Strategy Space Hulk: Ascension (Classic) Space Hulk: Ascension (Classic) 72.4% · 653 reviews shares Warhammer 40k, Games Workshop, Turn Based, Turn Based Strategy

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-28.

GenresStrategy
Player tagsStrategy · Warhammer 40K · Games Workshop · Turn-Based · Turn-Based Strategy · Singleplayer · Hex Grid · War · Tanks (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Steam Cloud · Family Sharing
LanguagesEnglish
Achievements16
Official sitehttps://www.hexwar.com/tallarn
Minimum system requirements (PC)

Minimum: OS *: Windows Vista/7/8/8.1/10 Processor: Intel Core 2 Duo or AMD equivalent Memory: 2 GB RAM Graphics: DirectX compatible graphics card DirectX: Version 9.0 Storage: 2 GB available space