Developer diaries are articles, sometimes accompanied by videos, published by Paradox to describe the game design in detail.
Heirs of Alexander
All developer diaries about the Heirs of Alexander content pack and patch 2.0 (aka Marius).
- Patch 2.0 (Marius)
No. | Title and Link | Description | Date |
---|---|---|---|
21 | Change Log | ..... | 2021-02-15 |
20 | More Great Wonders! | ..... | 2021-02-08 |
19 | Heirs of Alexander and 2.0 Marius Announcement | ..... | 2021-02-01 |
18 | Population Growth and Map Changes | Changes to Population Growth resulting in overall lower world population, capping Research Efficiency to balance smaller and larger nations, as well as Map Changes consisting of Countries, Cultures, Formables, and Major Rivers | 2021-01-25 |
17 | Important balance changes and missions | Balance changes made to Manpower, Statesmanship, Subjects and Integration, Oratory Inventions, Mercenaries, Holy Sites and Treasures, and AI Expansion, and presenting a late-game shared mission tree for the successor kingdoms | 2021-01-18 |
16 | Civilization, Buildings and Macedon | Reworking the civilization & buildings mechanics and the new Macedonian mission tree | 2021-01-11 |
15 | The Longest Diary | Introduce new mechanic allows you to selecting heir in monarchies, new succession type (elective monarchy), new army models and Antigonid kingdom mission trees | 2020-12-14 |
14 | Ports and Mission Trees | Reworking ports to be similar to other buildings, QoL-changes to the technology tree and new content for Thrace in the new DLC | 2020-12-07 |
13 | Egypt Mission Trees | New content coming in paid DLC for Ptolemaic Egypt | 2020-11-30 |
12 | Heirs of Alexander | Changes to Diadochi wars and unit 3d models, as well as new mission trees for the Seleukids | 2020-11-23 |
11 | Warfare Changes part 2 | Presenting Legions, the new standing armies, as well as how reworked Military Experience functions | 2020-11-16 |
10 | Warfare | Introduction of Levies and Legions | 2020-11-09 |
9 | UI rework part 2 | Showing of the new Nation Overview, Religion View and added functionality to the Macro Builder | 2020-11-02 |
8 | Traditions and more inventions | Talking about the new Military Traditions as well as changes to Inventions since previous dev-diary | 2020-10-26 |
7 | Warfare changes | Changes to Combat Width, Forts and Occupation,as well as adding Automated Provincial Trading and Engineer Cohorts | 2020-10-19 |
6 | Invention System | Showing the reworked inventions system with the introduction of tech-trees | 2020-10-12 |
5 | UI rework | In-depth overview of the UI rework | 2020-10-05 |
4 | A Most Auspicious Number | Introducing the Marius update and teasing the UI overhaul | 2020-09-28 |
3 | Introducing Vitruvius | Plans for Vitruvius and Great Wonders | 2020-09-21 |
2 | Vitruvius and How We Work | Discussing the process of developing Vitruvius in parallel with the main studio | 2020-09-14 |
1 | Important Studio News | Introducing the Paradox Thalassic Studio | 2020-09-10 |
Epirus
All developer diaries about the re-release of the Epirus content pack and patch 1.5 (aka Menander).
- Patch 1.5 (Menander)
No. | Title and Link | Description | Date |
---|---|---|---|
14 | 1.5.3 Hotfix Released | Patchnotes for the 1.5.3 Hotfix patch | 2020-09-03 |
13 | Summary of patch | Summary and reflection on 1.5 Menander and moving forwards | 2020-08-24 |
12 | 1.5.2 Patch Released | Patchnotes for the 1.5.2 patch | 2020-08-20 |
11 | 1.5.1 Hotfix Released | Patchnotes for the 1.5.1 Hotfix patch | 2020-08-13 |
10 | Menander Patch Notes Day! | Patchnotes for the Menander update | 2020-08-10 |
9 | More Revelations about the Menander Update | Diadochi Wars: New War Goal, Antigonid Kingdom, Cappadocian Revolt & Thracian War Entry; Pop Happiness; Changes to Integration; Stability, Tyranny, & Aggressive Expansion; Senate Support; Unrest & Forts | 2020-06-15 |
8 | Epirus Pre-Order Pack Expanded | Overview of the new events and missions being added to the Epirus Flavor Pack | 2020-06-08 |
7 | Cultural Integration and Some Good News | Pop rights, cultural decisions, and improvements to the culture mapmode as part of the culture overhaul | 2020-06-01 |
6 | The Upcoming Rework of Republic Government Mechanics | A detailed look at the Republic government overhaul, including new parties, support, and approval mechanics | 2020-05-25 |
5 | Feature Reveal and a Glimpse into Production | A note on the realities of Game Production and a look at the Trade Rework | 2020-05-18 |
4 | Changes to Rebellion System | Rework of Rebellions and Unrest tweaks | 2020-05-11 |
3 | Changes to Cultures and New Pop Type | Find out more about the culture changes and the new Pop Type that the Menander update will bring. | 2020-05-04 |
2 | Menander Reveal | Introduction to cultural integration, Reworked Rebellions, Senate and Factions Rework and Subjects. | 2020-04-27 |
1 | Changes Coming! | Change in frequency of developer diaries and patch 1.5 Menander teasers. | 2020-04-20 |
Magna Graecia
All developer diaries about the Magna Graecia content pack and and patch 1.4 (aka Archimedes).
- Patch 1.4 (Archimedes)
No. | Title and Link | Description | Date |
---|---|---|---|
14 | 1.4.2 Patch Released | Patchnotes for the 1.4.2 patch | 2020-04-16 |
13 | 1.4.1 Hotfix Released | Patchnotes for the 1.4.1 Hotfix patch | 2020-04-02 |
12 | Archimedes Patchnotes day! | Patchnotes for the Archimedes update | 2020-03-30 |
11 | Balance Changes and Tweaks in Archimedes | Various minor balance and cosmetic changes coming in the new patch | 2020-03-23 |
10 | Archimedes Update & Magna Graecia Content Pack | Release date, future roadmap, unique actions for Athens, Sparta, and Syracusae, favoriting characters, and unit models | 2020-03-18 |
9 | Greek Missions and Deification | A look at the new Greek mission trees, Ruler Deification, and monotheist mechanics | 2020-03-09 |
8 | Spartan and Athenian missions | Unique missions for Spartan and Athens coming in the Magna Graecia content pack | 2020-03-02 |
7 | Sacred Treasures and religious changes | An overview of sacred treasures and new functions for religions | 2020-02-24 |
6 | Syracusan Missions and changes to holdings | An overview of the new missions for Syracuse and a rework of the holdings mechanic | 2020-02-17 |
5 | Holy Sites | A dynamic holy sites mechanic to come along with the Deities rework | 2020-02-10 |
4 | Highly Requested Changes | Deny Trade request, City graphical culture, the "Continue" button, AI Control (MP), Historical Characters | 2020-02-03 |
3 | Character Loyalty and Map Changes | Revamp of the Character Loyalty and map changes | 2020-01-27 |
2 | Archimedes and Religion | Plans for Archimedes Update | 2020-01-20 |
1 | The Future | Plans for the first part of 2020 | 2020-01-13 |
The Punic Wars
All developer diaries about The Punic Wars content pack and patch 1.3 (aka Livy).
- Patch 1.3 (Livy)
No. | Title and Link | Description | Date |
---|---|---|---|
12 | 1.3.2 Beta changelog | Future plans & 1.3.2 Beta changelog | 2019-12-16 |
11 | Modding Part 2: Music! | Tutorial for modding the music | 2019-12-06 |
10 | 1.3.1 Hotfix Released | Small Hotfix | 2019-12-04 |
9 | Patchnote | Patchnote for the Livy update | 2019-12-02 |
8 | Modding | Release date and modding tutorial | 2019-11-25 |
7 | Generic Missions | Non-specific missions for less important nations | 2019-11-18 |
6 | Roman Missions | A look at each mission branch for Rome | 2019-11-11 |
5 | Families | Changes about Families, Power held by them, their Rise and Fall and Minor characters | 2019-11-04 |
4 | Punic Missions | A look at each mission branch for Carthage | 2019-10-28 |
3 | Statesmanship | Statesmanship, new Omens, map changes, navigable rivers & map mode manager | 2019-10-23 |
2 | Missions | Early look at the Mission tree system | 2019-10-14 |
1 | Reinforcements | War.. war never changes.. but reinforcements do. | 2019-10-07 |
Post-release patches
All developer diaries about the post-release patches, patch 1.0 (aka Demetrius), patch 1.1 (aka Pompey) and patch 1.2 (aka Cicero).
- Patch 1.2 (Cicero)
No. | Title and Link | Description | Date |
---|---|---|---|
30 | Cicero Release Information | Changelog for the 1.2 Cicero patch | 2019-09-23 |
29 | Visual changes to 1.2 (and earlier) | New UI, Curtailed fog, Progressing civ, Dynamic map objects and... Seagulls! | 2019-09-16 |
28 | Introducing the Cicero Team! | Dev team members and their cameo characters in the game | 2019-09-07 |
27 | Law and Character Interactions | Law changes, Character Interactions and Changes since the Open Beta | 2019-09-02 |
26 | Food/Pop Changes and other Rebalancing | Balancing, pop and food changes | 2019-08-26 |
25 | Reworking Monarch Power | Political Influence and Military Experience, and Monarch Stats | 2019-08-19 |
24 | Population Simulation | Dynamic assimilation, conversion, promotion and migration mechanics | 2019-08-12 |
23 | Territory Redesign | Cities, Settlements, Food & New Buildings | 2019-08-05 |
22 | Cicero - Testing Early July | An open beta coming in July. | 2019-07-04 |
21 | Families in Cicero | Changes with Families | 2019-07-03 |
20 | Monarch Effects | The effect that Monarch powers have passively | 2019-07-03 |
19 | Drilling and Cohort Experience | Explanation of Drilling and Cohort Experience | 2019-07-02 |
18 | Military Experience | Explanation of the new resource Military Experience | 2019-07-02 |
17 | Population Control | Population Movement/Migration, Promotion, Assimilation & Conversion | 2019-07-01 |
16 | Buildings in Cicero | New buildings | 2019-06-30 |
15 | Loyal Cohorts in Cicero | Cohort loyalty update | 2019-06-29 |
- Patch 1.1 (Pompey)
No. | Title and Link | Description | Date |
---|---|---|---|
14 | Country Telemetry | Most played nations | 2019-06-24 |
13 | Patchnotes for Pompey Update | Pompey Patch Notes | 2019-06-17 |
12 | Pirates, Volcanoes and Storms | New Piracy Mechanics, Weather Effects & Volcanoes | 2019-06-10 |
11 | Quality of Life Improvements | QoL improvements: Roads, Subjects, Foreign Characters, Macro Builder, Ledger, Province HUD, Government | 2019-06-03 |
10 | Characters and Internal Management | Retinues, Holding rework & New Governor Policies and Character interactions | 2019-05-27 |
9 | A new currency design | Overhauling the currency system | 2019-05-26 |
8 | Abstract & "Realistic" Currencies, Agent-Mechanics | Overview of abstract and "realistic" currencies | 2019-05-25 |
7 | Trade and Provinces Improvements | Trade, Tall, Barbarian, Attrition and Slaves distribution changes & Heritage | 2019-05-20 |
6 | Political Changes in Patch 1.1 | Political and Government changes | 2019-05-13 |
5 | Navies in Patch 1.1 | New Navy mechanics/types and Omen & Religious flavour update | 2019-05-06 |
4 | Sunday Morning Design Corner | What features that made it in and what will be added in a patch | 2019-05-05 |
3 | Patch 1.1 "Pompey" | Shedding a little light on some balance changes | 2019-04-29 |
2 | Imperator and PDS | The process of development cycles | 2019-04-26 |
1 | Current Roadmap | Release and what comes next | 2019-04-26 |
Base game
All developer diaries about Imperator: Rome (base game).
- Imperator Rome
No. | Title and Link | Description | Date |
---|---|---|---|
47 | Modding AI in Imperator: Action Planning | A guide for modding AI behavior | 2019-04-21 |
46 | Development Diary #46 - 15th of April 2019 | Script changes & modding | 2019-04-15 |
45 | Development Diary #45 - 8th of April 2019 | Automated Armies, Modding Unit Objectives & Map and Political Situation at the Start of the Game - Dacia and the Balkans | 2019-04-08 |
44 | Development Diary #44 - 1st of April 2019 | Barbarians & Map and Political Situation at the Start of the Game - Tibet and the Tarim Basin | 2019-04-01 |
43 | Development Diary #43 - 25th of March 2019 | Warfare: tips and more | 2019-03-25 |
42 | Development Diary #42 - 18th of March 2019 | Achievements, Formable countries and Changes to Mercenaries, Forts, Tribes and Tribal retinues | 2019-03-18 |
41 | Development Diary #41 - 11th of March 2019 | Aggressive Expansion, Diplomatic Stances and new character interactions, Map and Political Situation at the Start of the Game - East Africa | 2019-03-11 |
40 | Development Diary #40 - 4th of March 2019 | Alliance changes & Military Tradition, Map and Political Situation at the Start of the Game - India | 2019-03-04 |
39 | Development Diary #39 - 25th of February 2019 | Families & Map and Political Situation at the Start of the Game - Scandinavia | 2019-02-25 |
38 | Development Diary #38 - 18th of February 2019 | Tribal migration & Map and Political Situation at the Start of the Game - Germania | 2019-02-18 |
37 | Development Diary #37 - 11th of February 2019 | Subject States, Civil wars & Rebellions | 2019-02-11 |
36 | Development Diary #36 - 4th of February 2019 | Character ambitions, Persian Military Traditions & Map and Political Situation at the Start of the Game - Caucasus & northern Black Sea | 2019-02-04 |
35 | Development Diary #35 - 28th of January 2019 | Tribal Chiefdoms & Map and Political Situation at the Start of the Game - Gaul | 2019-01-28 |
34 | Development Diary #34 - 21st of January 2019 | Navies, War Diplomacy & Map and Political Situation at the Start of the Game - Bactria and Parthia | 2019-01-21 |
33 | Development Diary #33 - 14th of January 2019 | Monarchies & Map and Political Situation at the Start of the Game - Persia | 2019-01-14 |
32 | Development Diary #32 - 7th of January 2019 | Mercenaries & Map and Political Situation at the Start of the Game - Arabia | 2019-01-07 |
31 | Development Diary #31 - 31st of December 2018 | Interface and Mechanics Changes | 2018-12-31 |
30 | Development Diary #30 - 24th of December 2018 | Map and Political Situation at the Start of the Game - Hispania | 2018-12-24 |
29 | Development Diary #29 - 17th of December 2018 | Trade, Diplomatic Range and Exports & Map and Political Situation at the Start of the Game - British Isles | 2018-12-17 |
28 | Development Diary #28 - 10th of December 2018 | Battles and Deployment, Battle Indicator & Attrition | 2018-12-10 |
27 | Development Diary #27 - 3rd of December 2018 | Population Movement and Colonization & Map and Political Situation at the Start of the Game - Levant & Levantine and Arabian Military Traditions | 2018-12-03 |
26 | Development Diary #26 - 26th of November 2018 | Economic Policy & Power Conversion & Map and Political Situation at the Start of the Game - Egypt | 2018-11-26 |
25 | Development Diary #25 - 19th of November 2018 | National Ideas & Map and Political Situation at the Start of the Game - Southwest Mediterranean | 2018-11-19 |
24 | Development Diary #24 - 12th of November 2018 | Religion & Map and Political Situation at the Start of the Game - Anatolia and Aegean | 2018-11-12 |
23 | Development Diary #23 - 5th of November 2018 | Greek Military Traditions & Map and Political Situation at the Start of the Game - Greece | 2018-11-05 |
22 | Development Diary #22 - 29th of October 2018 | Map and Political Situation at the Start of the Game - Italy | 2018-10-29 |
21 | Development Diary #21 - 22nd of October 2018 | Land Combat and Combat Tactics | 2018-10-22 |
20 | Development Diary #20 - 8th of October 2018 | Governor Policies and Northern African Military Traditions | 2018-10-08 |
19 | Development Diary #19 - 1st of October 2018 | Loyalty and Civil Wars | 2018-10-01 |
18 | Development Diary #18 - 24th of September 2018 | Italic Military Traditions | 2018-09-24 |
17 | Development Diary #17 - 17th of September 2018 | Interactions with characters | 2018-09-17 |
16 | Development Diary #16 - 10th of September 2018 | Roads, unrest and civilization level | 2018-09-10 |
15 | Development Diary #15 - 3rd of September 2018 | Military Traditions | 2018-09-03 |
14 | Development Diary #14 - 27th of August 2018 | Offices and Laws in the Republic | 2018-08-27 |
13 | Development Diary #13 - 20th of August 2018 | The Senate | 2018-08-20 |
12 | Development Diary #12 - 13th of August 2018 | Technology | 2018-08-13 |
11 | Development Diary #11 - 6th of August 2018 | Unit abilities | 2018-08-06 |
10 | Development Diary #10 - 30th of July 2018 | Country rank | 2018-07-30 |
9 | Development Diary #9 - 23rd of July 2018 | Diplomacy | 2018-07-23 |
8 | Development Diary #8 - 16th of July 2018 | Trade system | 2018-07-16 |
7 | Development Diary #7 - 9th of July 2018 | Characters | 2018-07-09 |
6 | Development Diary #6 - 2nd of July 2018 | Buildings and city economics | 2018-07-02 |
5 | Development Diary #5 - 25th of June 2018 | Population mechanics | 2018-06-25 |
4 | Development Diary #4 - 18th of June 2018 | Unit types | 2018-06-18 |
3 | Development Diary #3 - 11th of June 2018 | Resources and the power system | 2018-06-11 |
2 | Development Diary #2 - 4th of June 2018 | The map | 2018-06-04 |
1 | Development Diary #1 - 28th of May 2018 | The vision | 2018-05-28 |
Videos
Developer video diaries and developer's let's play sessions on the various aspects of the game.
- Videos
No. | Title and Link | Description | Date |
---|---|---|---|
17 | Imperator: Rome - Warfare Reformed | ... | 2021-02-15 |
16 | Imperator: Rome - Military Reworked | ... | 2021-02-10 |
15 | Tutorial - Part 5: Overview of 1.5 Menander Update | ... | 2020-08-12 |
14 | Tutorial - Part 4: War and Peace | ... | 2020-08-12 |
13 | Tutorial - Part 3: Politics and Diplomacy | ... | 2020-08-12 |
12 | Tutorial - Part 2: Provinces and Population | ... | 2020-08-12 |
11 | Tutorial - Part 1: Welcome to Imperator | ... | 2020-08-12 |
10 | Cicero 1.2 Feature Breakdown | Feature breakdown of the free 1.2 patch (aka Cicero) by Peter Nicholson | 2019-09-23 |
9 | Pompey Update Feature Breakdown | Feature breakdown of the free 1.1 patch (aka Pompey) by Peter Nicholson | 2019-06-26 |
8 | Imperator: Rome - Beginner tutorials | Beginner tutorials for the novice and experienced players alike | 2019-04-24 |
7 | Release Date Announcement Stream Preview #5 Egypt Part III | A continued preview of the game starting as Egypt with the release date announcement | 2019-02-05 |
6 | First Q&A | Johan Andersson and Hot Rod answers questions about the game | 2019-02-05 |
5 | Preview #4 Saxonia Part I | A preview of the game starting as Saxonia | 2019-01-29 |
4 | Preview #3 Egypt Part II | A continued preview of the game starting as Egypt | 2019-01-22 |
3 | Preview #2 Egypt Part I | A preview of the game starting as Egypt | 2019-01-15 |
2 | Preview #1 Rome | A preview of the game starting as Rome | 2019-01-08 |
1 | Preview with Game Director Johan Andersson | A preview with Game Director Johan Andersson | 2018-05-20 |