Games like Hearts of Iron III on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Hearts of Iron III are available at the bottom of the page.

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Children of the Nile: Enhanced Edition Children of the Nile™ is a unique gem of a city-building game, unparalleled in both grandeur and attention to detail.As Pharaoh you will guide your people through thousands of years of history: from simple hunter-gatherers to the creation of an immortal civilization.

Similarity 46%
Price 6.99€
Rating 7.9
Release 08 Jul 2008
IL-2 Sturmovik: Cliffs of Dover Join the Royal Air Force, face off against the deadly German Luftwaffe and the Italian air forces and battle for Britain!

Similarity 46%
Price -95% 1.07€
Rating 6.5
Release 19 Jul 2011
The Great War: Western Front™ The Great War: Western Front is the definitive WW1 strategy game. Play a deciding role in history with this real-time tactical experience as you take charge in the iconic Western Front from 1914 to 1919. Pick your faction and lead your forces to victory.

Similarity 46%
Price 34.99€
Rating 6.6
Release 30 Mar 2023
Minds of Nations Grand Strategy Game. How does reincarnation affect the evolution of a state ? Control the material well-being of your country with a backbone of spiritual growth. Religion. Economy. Diplomacy. War. Souls. Karma. Ideology. Tech. Stories. Single-Player. MMO.

Similarity 46%
Price 19.50€
Rating 6.5
Release 11 Apr 2023
UBOAT UBOAT is a simulator of a submarine from WWII era. It is a survival sandbox with crew management mechanics while its primary theme is life of German sailors. The boat is their home, but it can become their grave at any time.

Similarity 46%
Price -84% 4.72€
Rating 8.2
Release 02 Aug 2024
Evil Bank Manager What could be better than having a million dollars, a billion? This will not make you all powerful in the world, your goal will not only be to make lots of money, but to print money and become a Federal reserve system

Similarity 46%
Price 9.99€
Rating 7.4
Release 07 Dec 2018
Rogue State Revolution Greetings your Excellency. Time to rebuild, reform and prepare for new challenges in the People's Republic of Basenji. In this thrilling political strategy, you will appoint ministers and lead the country to success. Be careful — you may find yourself replaced in the next election.

Similarity 46%
Price -92% 1.00€
Rating 7.3
Release 18 Mar 2021
Age of Conquest IV Age of Conquest is a turn-based grand strategy wargame.

Similarity 46%
Price Free to play
Rating 7.9
Release 05 Apr 2016
Cossacks: European Wars This game is devoted to the key events of the XVII–XVIII centuries.

Similarity 46%
Price -80% 1.00€
Rating 7.0
Release 26 Aug 2011
Memoir '44 Online Days of Wonder’s best-selling World War II board game is now available as a turn-based multiplayer online game on Steam!

Similarity 46%
Price Free to play
Rating 6.2
Release 12 Oct 2011
Shadows of Forbidden Gods Take on the role of a Dark Elder God and lead your agents to bring about an apocalypse in a fantasy world. Work in the shadows, avoiding the heroes who will try to stop you, as you bring about plague and famine, ice age and volcanic destruction, madness and never ending night.

Similarity 46%
Price 16.79€
Rating 8.7
Release 15 Jul 2023
Half-Earth Socialism Try your hand as a global planner of a future society. Play with a wide range of technologies and policies spanning different fields and ideologies. Will you lead the world to ecological utopia or planetary ruin?

Similarity 45%
Price Free to play
Rating 7.9
Release 19 Jul 2022
Invasion Machine Modern-warfare RTS/sandbox game inspired by the real conflicts in the Middle East. Fight a counter-insurgency war, protect the civilian population, casevac your wounded and decide how the world sees your struggle. And remember - no one gets left behind.

Similarity 45%
Price 15.99€
Rating 6.7
Release 26 Feb 2020
Wooden Battles Build a wooden fort, place your units, watch the mayhem!

Similarity 45%
Price -75% 2.43€
Rating 7.4
Release 22 Dec 2017
Patrician III Become a fellow of the famous medieval Hanse trading association in the 13th century. Manage the politics, prestige and economic success in your city and the known parts of Europe!

Similarity 45%
Price -81% 0.98€
Rating 7.8
Release 18 Nov 2010
Ultimate Admiral: Age of Sail Ultimate Admiral: Age of Sail is a tactical wargame from the creators of the Ultimate General series set amidst the epic naval campaigns in the period of the American Revolutionary and Napoleonic Wars.

Similarity 45%
Price 28.99€
Rating 7.6
Release 07 Apr 2021
Supreme Ruler 2030 Rise to power as any modern day country in a realistic military, political and economic simulation. Command your country's diplomacy, espionage, and resource management to strengthen your position. Use real-time tactical control of your military to fortify your place as the Supreme Ruler.

Similarity 45%
Price 28.99€
Rating 6.3
Release 25 Jul 2023
Distant Worlds 2 Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.

Similarity 45%
Price -99% 0.35€
Rating 6.9
Release 10 Mar 2022
Sid Meier's Civilization® III Complete Sid Meier's Civilization III: Complete, the latest offering in the Sid Meier's Civilization III franchise, provides gaming fans with Sid Meier's Civilization III, the highly-addictive journey of discovery.

Similarity 45%
Price 4.99€
Rating 8.7
Release 25 Oct 2006
Crisis in the Kremlin Don’t let the Soviet Union collapse, and fall in the darkness of history or lead the Union by a new path – democracy and free market! But before you decide something, think – wouldn’t it cause more harm than good?

Similarity 45%
Price 4.99€
Rating 8.1
Release 20 Mar 2017
Ultimate Epic Battle Simulator 2 Welcome to Ultimate Epic Battle Simulator 2, the most ridiculous and insane battle simulator in existence! Create eye watering battles with hundreds of thousands, even millions of characters on screen! Jump into multiple campaigns in game or player made, or play in sandbox mode and FPS invasion

Similarity 45%
Price 16.79€
Rating 8.2
Release 21 Jul 2023
Great Houses of Calderia Great Houses of Calderia is a Feudal Grand Strategy game focusing on family dynamics & stories. Use your family strengths to compete against rivals to rise in the ranks of Calderia - produce, trade, scheme, bribe, and battle to build your legacy of power!

Similarity 44%
Price -81% 4.74€
Rating 6.3
Release 02 May 2024
Battle Islands Battle friends over air, land and sea in this epic WW2-themed battle strategy game.

Similarity 44%
Price Free to play
Rating 7.4
Release 06 Aug 2014
Dictators:No Peace Countryballs Dictators : No Peace Countryballs is a war simulation and dictator game. This is a fun,simple and some say a funny countryballs game. If you like simulation games, you will love playing Dictators : No Peace. Play as a dictator of your favourite country and colonize the world.

Similarity 44%
Price 0.99€
Rating 9.1
Release 01 Jan 2020

Most played games like Hearts of Iron III on Steam

Take a look at the top games like Hearts of Iron III that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. Hearts of Iron IV

Similarity 88% Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history. Hearts of Iron IV is a strategy, world war ii and grand strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on June 06th 2016 has received 342,150 reviews of which 305,168 were positive and 36,982 were negative resulting in a rating of 8.8 out of 10. The game has hit the top spot as the #1 most played game like Hearts of Iron III, thanks to its 30,016 peak concurrent players over the last day.
8.8
305,168
36,982

30,016
players

2. Sid Meier’s Civilization® VI

Similarity 60% Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time? Sid Meier’s Civilization® VI is a strategy, turn-based strategy and multiplayer game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on October 20th 2016 has received 349,920 reviews of which 304,053 were positive and 45,867 were negative resulting in a rating of 8.6 out of 10. While seeing 23,194 players online at once in the last 24 hours, this game is currently ranked #2 among games like Hearts of Iron III based on player count.
8.6
304,053
45,867

23,194
players

3. Crusader Kings III

Similarity 59% Love, fight, scheme, and claim greatness. Determine your noble house’s legacy in the sprawling grand strategy of Crusader Kings III. Death is only the beginning as you guide your dynasty’s bloodline in the rich and larger-than-life simulation of the Middle Ages. Crusader Kings III is a strategy, medieval and grand strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on September 01st 2020 has received 126,909 reviews of which 114,259 were positive and 12,650 were negative resulting in a rating of 8.9 out of 10. While seeing 15,263 players online at once in the last 24 hours, this game is currently ranked #3 among games like Hearts of Iron III based on player count.
8.9
114,259
12,650

15,263
players

4. Sid Meier's Civilization® V

Similarity 42% Create, discover, and download new player-created maps, scenarios, interfaces, and more! Sid Meier's Civilization® V is a turn-based strategy, strategy and turn-based game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on September 23rd 2010 has received 204,265 reviews of which 195,724 were positive and 8,541 were negative resulting in an impressive rating of 9.5 out of 10. With 13,866 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Hearts of Iron III.
9.5
195,724
8,541

13,866
players

5. Stellaris

Similarity 50% Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities. Stellaris is a space, grand strategy and strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on May 09th 2016 has received 185,433 reviews of which 159,527 were positive and 25,906 were negative resulting in a rating of 8.5 out of 10. With 13,555 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Hearts of Iron III.
8.5
159,527
25,906

13,555
players

6. Europa Universalis IV

Similarity 70% Rule your land and dominate the world with unparalleled freedom, depth and historical accuracy. Write a new history of the world and build an empire for the ages. Europa Universalis IV is a grand strategy, strategy and historical game developed by Paradox Development Studio and Paradox Tinto and published by Paradox Interactive. Released on August 13th 2013 has received 134,436 reviews of which 116,432 were positive and 18,004 were negative resulting in a rating of 8.6 out of 10. With 13,299 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Hearts of Iron III.
8.6
116,432
18,004

13,299
players

7. Arma Reforger

Similarity 40% Experience authentic Cold War combat and join the struggle for the sprawling, mid-Atlantic island of Everon and its smaller, offshore territory, Arland – or take on the role of Game Master and create your very own scenarios for others to enjoy. Arma Reforger is a military, simulation and action game developed and published by Bohemia Interactive. Released on November 16th 2023 has received 30,623 reviews of which 23,326 were positive and 7,297 were negative resulting in a rating of 7.5 out of 10. With 12,733 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Hearts of Iron III.
7.5
23,326
7,297

12,733
players

8. Total War: ROME II - Emperor Edition

Similarity 59% Emperor Edition is the definitive edition of ROME II, featuring an improved politics system, overhauled building chains, rebalanced battles and improved visuals in both campaign and battleEmperor Edition contains all free feature updates since its release in 2013, which includes bug fixes, balancing, Twitch. Total War: ROME II - Emperor Edition is a strategy, historical and turn-based strategy game developed by Creative Assembly and Feral Interactive and published by SEGA and Feral Interactive. Released on September 02nd 2013 has received 88,173 reviews of which 73,559 were positive and 14,614 were negative resulting in a rating of 8.2 out of 10. With 5,155 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Hearts of Iron III.
8.2
73,559
14,614

5,155
players

9. Victoria 3

Similarity 50% Paradox Development Studio invites you to build your ideal society in the tumult of the exciting and transformative 19th century. Balance the competing interests in your society and earn your place in the sun in Victoria 3, one of the most anticipated games in Paradox’s history. Victoria 3 is a grand strategy, economy and historical game developed by Paradox Development Studio and published by Paradox Interactive. Released on October 25th 2022 has received 52,618 reviews of which 35,043 were positive and 17,575 were negative resulting in a rating of 6.6 out of 10. With 4,601 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Hearts of Iron III.
6.6
35,043
17,575

4,601
players

10. Age of Empires III: Definitive Edition

Similarity 44% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. With 3,597 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Hearts of Iron III.
8.3
40,941
7,401

3,597
players

Best deals on games like Hearts of Iron III on Steam

Discover fantastic savings with the best discounts on a variety of games like Hearts of Iron III available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Hearts of Iron III.

1. Old World

Similarity 66% Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind? Old World is a strategy, simulation and 4x game developed by Mohawk Games and published by Hooded Horse. Released on May 18th 2022 has received 4,673 reviews of which 3,841 were positive and 832 were negative resulting in a rating of 8.0 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Hearts of Iron III.
8.0
3,841
832

-99% 39.99€ 0.48€

2. Unity of Command II

Similarity 64% Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games. Unity of Command II is a strategy, world war ii and simulation game developed by 2x2 Games and Croteam and published by 2x2 Games. Released on November 12th 2019 has received 1,896 reviews of which 1,529 were positive and 367 were negative resulting in a rating of 7.8 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Hearts of Iron III.
7.8
1,529
367

-99% 28.99€ 0.55€

3. Destroyer: The U-Boat Hunter

Similarity 41% Destroyer: The U-Boat Hunter brings you an authentic and historically accurate destroyer simulation along with gripping anti-submarine warfare set in the turmoils of the Atlantic Ocean during World War II. Destroyer: The U-Boat Hunter is a simulation, naval combat and world war ii game developed by Iron Wolf Studio S.A. and published by Daedalic Entertainment. Released on December 06th 2023 has received 1,038 reviews of which 783 were positive and 255 were negative resulting in a rating of 7.2 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Hearts of Iron III.
7.2
783
255

-99% 29.99€ 0.49€

4. Railroad Corporation

Similarity 50% Relive the pioneering spirit of the Golden Age of Steam by establishing your own railroad empire across 19th century North America. Bring settlements together, produce and trade goods and develop new technologies to stay ahead of the competition. Want more? RAILROAD CORPORATION 2 Out Now! Railroad Corporation is a strategy, trains and management game developed by Corbie Games and published by Iceberg Interactive. Released on November 18th 2019 has received 1,387 reviews of which 1,028 were positive and 359 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Hearts of Iron III.
7.1
1,028
359

-99% 35.10€ 0.44€

5. Distant Worlds 2

Similarity 45% Distant Worlds 2 is a vast, pausable real-time 4X space strategy game. Distant Worlds 2 is a strategy, simulation and 4x game developed by CodeForce and published by Slitherine Ltd.. Released on March 10th 2022 has received 3,237 reviews of which 2,304 were positive and 933 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Hearts of Iron III.
6.9
2,304
933

-99% 48.99€ 0.35€

6. Partisans 1941

Similarity 44% Partisans 1941 is a real-time tactics game with stealth elements, set on the eastern front of WW II. As an army commander behind enemy lines you gather a group of Partisans to wage guerilla warfare against the German occupants. Partisans 1941 is a strategy, real time tactics and world war ii game developed by Alter Games and published by Daedalic Entertainment. Released on October 14th 2020 has received 8,186 reviews of which 6,728 were positive and 1,458 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Hearts of Iron III.
8.0
6,728
1,458

-98% 29.99€ 0.63€

7. Field of Glory II

Similarity 44% Field of Glory II is a turn-based tactical game set during the Rise of Rome from 280 BC to 25 BC. Field of Glory II is a strategy, simulation and turn-based strategy game developed by Byzantine Games and published by Slitherine Ltd.. Released on October 12th 2017 has received 1,157 reviews of which 960 were positive and 197 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Hearts of Iron III.
7.9
960
197

-98% 28.99€ 0.66€

8. Oriental Empires

Similarity 65% Turn based 4X strategy game, recreating the civilizations of ancient China. Develop your land, build great cities, raise huge armies and fight epic battles, with hundreds of soldiers fighting right on the game map. Advance your technologies, culture and religion to create one of mankind’s biggest empires. Oriental Empires is a strategy, simulation and indie game developed by Shining Pixel Studios and published by Iceberg Interactive. Released on September 14th 2017 has received 2,934 reviews of which 2,358 were positive and 576 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Hearts of Iron III.
7.8
2,358
576

-98% 28.99€ 0.84€

9. Knights of Honor II: Sovereign

Similarity 60% Become the king and fight over Europe in this fresh take on medieval real-time grand strategy. Manage provinces, gather armies, initiate diplomacy, and dabble in espionage. The path is open: become the true Sovereign of your people and bring them to glory. Knights of Honor II: Sovereign is a strategy, simulation and medieval game developed by Black Sea Games and published by THQ Nordic. Released on December 06th 2022 has received 5,792 reviews of which 4,450 were positive and 1,342 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Hearts of Iron III.
7.5
4,450
1,342

-98% 44.99€ 0.98€

10. Distant Worlds: Universe

Similarity 40% Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game. Distant Worlds: Universe is a strategy, 4x and space game developed by Code Force and published by Slitherine Ltd.. Released on May 23rd 2014 has received 1,819 reviews of which 1,377 were positive and 442 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Hearts of Iron III.
7.3
1,377
442

-98% 28.99€ 0.65€

Free games like Hearts of Iron III on Steam

Check out this fantastic list of free-to-play games like Hearts of Iron III you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Hearts of Iron III.

1. Age of Empires III: Definitive Edition

Similarity 44% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. With 3,597 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Hearts of Iron III.
8.3
40,941
7,401

3,597
players

2. Crusader Kings II

Similarity 65% Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy. Crusader Kings II is a grand strategy, strategy and medieval game developed by Paradox Development Studio and published by Paradox Interactive. Released on February 14th 2012 has received 73,809 reviews of which 66,359 were positive and 7,450 were negative resulting in a rating of 8.9 out of 10. Thanks to its free to play tag and a daily player base of 1,554, this game has secured the #2 spot in the ranking of free games like Hearts of Iron III.
8.9
66,359
7,450

1,554
players

3. SUPREMACY: WORLD WAR 3

Similarity 41% This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3. SUPREMACY: WORLD WAR 3 is a strategy, free to play and wargame game developed and published by Dorado Games. Released on March 15th 2018 has received 5,257 reviews of which 4,033 were positive and 1,224 were negative resulting in a rating of 7.5 out of 10. Thanks to its free to play tag and a daily player base of 469, this game has secured the #3 spot in the ranking of free games like Hearts of Iron III.
7.5
4,033
1,224

469
players

4. Supremacy: 1914

Similarity 66% Take over the control of one of the mighty nations during the times of World War 1 in the biggest WW1 strategy game of all time. Conquer provinces, forge alliances and build up your economy in real-time on persistent maps. Build experimental weapons of World War 1 and become the one true superpower! Supremacy: 1914 is a strategy, free to play and war game developed and published by Bytro Labs GmbH. Released on July 16th 2019 has received 3,873 reviews of which 2,895 were positive and 978 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 361 players due to its free access, this strategy game has achieved the #4 position in the best free games like Hearts of Iron III.
7.3
2,895
978

361
players

5. Supremacy: Call of War 1942

Similarity 76% Take over the control of one of the mighty nations during the times of World War 2 in this persisting long-term strategy game. Conquer provinces, forge alliances and build up your economy in real-time. Research top secret weapons of World War 2 and become the one true superpower! Supremacy: Call of War 1942 is a strategy, free to play and world war ii game developed and published by Bytro Labs GmbH. Released on October 21st 2017 has received 5,832 reviews of which 4,168 were positive and 1,664 were negative resulting in a rating of 7.0 out of 10. Attracting a solid base of 321 players due to its free access, this strategy game has achieved the #5 position in the best free games like Hearts of Iron III.
7.0
4,168
1,664

321
players

6. Order of Battle: World War II

Similarity 52% Order of Battle: World War II is a breath of fresh air for all strategy fans. It is a game that takes wargaming to a new level by upgrading every single game element and rebooting the genre for a new generation of players. Order of Battle: World War II is a strategy, free to play and world war ii game developed by The Artistocrats and published by Slitherine Ltd.. Released on April 30th 2015 has received 3,002 reviews of which 2,350 were positive and 652 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 190 players due to its free access, this strategy game has achieved the #6 position in the best free games like Hearts of Iron III.
7.6
2,350
652

190
players

7. Age of Conquest IV

Similarity 46% Age of Conquest is a turn-based grand strategy wargame. Age of Conquest IV is a free to play, strategy and turn-based strategy game developed and published by Noble Master LLC. Released on April 05th 2016 has received 2,748 reviews of which 2,242 were positive and 506 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #7 spot among the most played free games like Hearts of Iron III.
7.9
2,242
506

16
players

8. Iron Order 1919

Similarity 49% An unique long-term strategy game with week-long matches with up to 101 players, set in the alternate reality of 1919. Iron Order 1919 is a strategy, simulation and alternate history game developed and published by Bytro Labs GmbH. Released on August 24th 2022 has received 381 reviews of which 267 were positive and 114 were negative resulting in a rating of 6.7 out of 10. The game currently holds the #8 spot among the most played free games like Hearts of Iron III.
6.7
267
114

16
players

9. Battle Islands

Similarity 44% Battle friends over air, land and sea in this epic WW2-themed battle strategy game. Battle Islands is a strategy, free to play and multiplayer game developed by DR Studios and published by 505 Games. Released on August 06th 2014 has received 3,426 reviews of which 2,604 were positive and 822 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #9 spot among the most played free games like Hearts of Iron III.
7.4
2,604
822

15
players

10. 中华三国志 the Three Kingdoms of China

Similarity 50% Three Kingdoms of China is a free, open-source single-machine strategy three-country game developed by the domestic folk team. The game does not have any commercial nature, hoping to create a dream of Three Kingdoms for the fans of the three kingdoms. 中华三国志 the Three Kingdoms of China is a free to play, indie and strategy game developed and published by 中三之家. Released on March 30th 2019 has received 1,344 reviews of which 1,155 were positive and 189 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #10 spot among the most played free games like Hearts of Iron III.
8.2
1,155
189

7
players