Games like Heart of the Machine on Steam

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

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Gary Grigsby's War in the East War on an Epic scale from Moscow to Berlin – this is War in the East!

Similarity 63%
Price -88% 9.60€
Rating 8.4
Release 09 Jul 2015
Revival: Recolonization Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience.

Similarity 62%
Price -98% 0.60€
Rating 6.8
Release 11 Apr 2024
Crusader Kings III 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.

Similarity 62%
Price -83% 8.55€
Rating 8.9
Release 01 Sep 2020
NEBULOUS: Fleet Command Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.

Similarity 62%
Price -77% 6.90€
Rating 8.0
Release 11 Feb 2022
Total War: ATTILA Against a darkening background of famine, disease and war, a new power is rising in the great steppes of the East. With a million horsemen at his back, the ultimate warrior king approaches, and his sights are set on Rome… The next instalment in the multi award-winning PC series that combines turn-based strategy with real-time tactics,...

Similarity 61%
Price -93% 3.19€
Rating 8.1
Release 17 Feb 2015
Total War: EMPIRE – Definitive Edition Command the seas, control the land, forge a new nation, and conquer the globe.

Similarity 61%
Price -75% 6.24€
Rating 8.9
Release 04 Mar 2009
Total War: THREE KINGDOMS Total War: THREE KINGDOMS is the first in the award-winning series to recreate epic conflict across ancient China. Combining a gripping turn-based campaign of empire-building & conquest with stunning real-time battles, THREE KINGDOMS redefines the series in an age of heroes & legends.

Similarity 60%
Price -88% 7.33€
Rating 7.2
Release 23 May 2019
Total War: MEDIEVAL II – Definitive Edition Spanning the most turbulent era in Western history, your quest for territory and power takes you through Europe, Africa, the Middle East, and even onto the shores of the New World.

Similarity 60%
Price -80% 4.99€
Rating 9.4
Release 15 Nov 2006
Total War: ROME REMASTERED Total War: ROME REMASTERED lets you relive the legacy that defined the award-winning strategy game series. Remastered to 4K with multiple improvements to visuals as well as refinements to gameplay, it’s time to revisit a true classic. Not everyone gets a second chance to conquer the Roman Empire.

Similarity 60%
Price -67% 10.03€
Rating 7.5
Release 29 Apr 2021
Unity of Command II 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.

Similarity 59%
Price -99% 0.55€
Rating 7.8
Release 12 Nov 2019
A Total War Saga: TROY Inspired by The Iliad and brought to life through the award-winning strategy game series, A Total War Saga: TROY brings a blend of grand, turn-based empire management and spectacular real-time battles to the heart of the Trojan War.

Similarity 59%
Price -60% 20.30€
Rating 7.0
Release 02 Sep 2021
The Last Federation From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.

Similarity 59%
Price -97% 0.72€
Rating 7.1
Release 18 Apr 2014
Hearts of Iron IV 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.

Similarity 59%
Price -83% 8.63€
Rating 8.8
Release 06 Jun 2016
Distant Worlds: Universe 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.

Similarity 59%
Price -98% 0.65€
Rating 7.3
Release 23 May 2014
Sid Meier's Colonization (Classic) The New World lies before you with all its peril, promise and infinite possibility. Your colonists anxiously follow you to shore. The treasures of an entire continent await you.

Similarity 59%
Price -87% 0.96€
Rating 9.0
Release 09 Oct 2014
Stellaris 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.

Similarity 59%
Price -85% 6.07€
Rating 8.5
Release 09 May 2016
Cataclismo Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.

Similarity 58%
Price -69% 9.52€
Rating 8.7
Release 20 Mar 2025
Pax Augusta Pax Augusta is probably the most authentic ancient city-building simulation. Build flourishing cities and look after your citizens. Earn gold with production and trade of goods and build impressive monuments. Strengthen your influence and become a Roman emperor!

Similarity 58%
Price -60% 10.18€
Rating 7.1
Release 17 Apr 2025
Field of Glory II Field of Glory II is a turn-based tactical game set during the Rise of Rome from 280 BC to 25 BC.

Similarity 58%
Price -98% 0.66€
Rating 7.9
Release 12 Oct 2017
Manor Lords Manor Lords is a medieval strategy game featuring in-depth city building, large-scale tactical battles, and complex economic and social simulations. Rule your lands as a medieval lord – the seasons pass, the weather changes, and cities rise and fall.

Similarity 57%
Price -63% 15.03€
Rating 8.5
Release 26 Apr 2024
SuperPower 2 Steam Edition SuperPower 2 is the only global geopolitical simulation game which allows players to control entire countries. Players control countries in 3 major areas: political, economic and military, but this time, in a beautiful real-time 3D environment.

Similarity 56%
Price -96% 0.42€
Rating 7.7
Release 18 Apr 2014
Sailing Era Every voyage is a journey of "Sailing & Beyond" in Sailing Era! Navigate your fleet and sail for fun; run a business; have a romantic encounter in the tavern; capture pirates amid intense battle; explore inland for treasure... Experience foreign culture, make novel discoveries, and sail away!

Similarity 56%
Price -78% 5.60€
Rating 7.7
Release 11 Jan 2023
Victoria II Carefully guide your nation from the era of absolute monarchies in the early 19th century, through expansion and colonization, to finally become a truly great power by the dawn of the 20th century. Victoria II is a grand strategy game played during the colonial era of the 19th century, where the player takes control of a country, guiding...

Similarity 56%
Price -85% 3.05€
Rating 9.0
Release 30 Aug 2010
Age of Wonders: Planetfall Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.

Similarity 56%
Price -90% 3.19€
Rating 7.8
Release 06 Aug 2019

Most played games like Heart of the Machine on Steam

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

1. Hearts of Iron IV

Similarity 59% 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 Heart of the Machine, 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 72% 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 Heart of the Machine based on player count.
8.6
304,053
45,867

23,194
players

3. Total War: WARHAMMER III

Similarity 53% The cataclysmic conclusion to the Total War: WARHAMMER trilogy is here. Rally your forces and step into the Realm of Chaos, a dimension of mind-bending horror where the very fate of the world will be decided. Will you conquer your Daemons… or command them? Total War: WARHAMMER III is a strategy, turn-based strategy and grand strategy game developed by Creative Assembly and Feral Interactive and published by Feral Interactive and SEGA. Released on February 16th 2022 has received 119,858 reviews of which 87,141 were positive and 32,717 were negative resulting in a rating of 7.2 out of 10. While seeing 17,986 players online at once in the last 24 hours, this game is currently ranked #3 among games like Heart of the Machine based on player count.
7.2
87,141
32,717

17,986
players

4. Crusader Kings III

Similarity 62% 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. With 15,263 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Heart of the Machine.
8.9
114,259
12,650

15,263
players

5. Sid Meier's Civilization® V

Similarity 56% 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 #5 spot among the most played games like Heart of the Machine.
9.5
195,724
8,541

13,866
players

6. Stellaris

Similarity 59% 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 #6 spot among the most played games like Heart of the Machine.
8.5
159,527
25,906

13,555
players

7. Europa Universalis IV

Similarity 71% 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 #7 spot among the most played games like Heart of the Machine.
8.6
116,432
18,004

13,299
players

8. Cities: Skylines

Similarity 45% Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience. Cities: Skylines is a city builder, simulation and building game developed by Colossal Order Ltd. and published by Paradox Interactive. Released on March 10th 2015 has received 275,770 reviews of which 256,362 were positive and 19,408 were negative resulting in an impressive rating of 9.2 out of 10. With 6,314 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Heart of the Machine.
9.2
256,362
19,408

6,314
players

9. Total War: ROME II - Emperor Edition

Similarity 64% 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 #9 spot among the most played games like Heart of the Machine.
8.2
73,559
14,614

5,155
players

10. Victoria 3

Similarity 49% 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 #10 spot among the most played games like Heart of the Machine.
6.6
35,043
17,575

4,601
players

Best deals on games like Heart of the Machine on Steam

Discover fantastic savings with the best discounts on a variety of games like Heart of the Machine 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 Heart of the Machine.

1. Battlestar Galactica Deadlock

Similarity 46% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,460 reviews of which 2,906 were positive and 554 were negative resulting in a rating of 8.1 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Heart of the Machine.
8.1
2,906
554

-99% 38.99€ 0.48€

2. Old World

Similarity 95% 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. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Heart of the Machine.
8.0
3,841
832

-99% 39.99€ 0.48€

3. Interstellar Space: Genesis

Similarity 49% Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy! Interstellar Space: Genesis is a strategy, indie and 4x game developed and published by Praxis Games. Released on July 25th 2019 has received 772 reviews of which 648 were positive and 124 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Heart of the Machine.
7.9
648
124

-99% 27.99€ 0.45€

4. Age of Wonders III

Similarity 47% Age of Wonders III is the long anticipated sequel to the award-winning strategy series. Delivering a unique mix of Empire Building, Role Playing and Warfare, Age of Wonders III offers the ultimate in turn-based fantasy strategy for veterans of the series and new players alike! Age of Wonders III is a strategy, turn-based strategy and fantasy game developed by Triumph Studios and published by Paradox Interactive. Released on March 31st 2014 has received 12,578 reviews of which 10,093 were positive and 2,485 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Heart of the Machine.
7.9
10,093
2,485

-99% 29.99€ 0.42€

5. Unity of Command II

Similarity 59% 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. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Heart of the Machine.
7.8
1,529
367

-99% 28.99€ 0.55€

6. 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 #6 position in the best deals for games like Heart of the Machine.
7.1
1,028
359

-99% 35.10€ 0.44€

7. Driftland: The Magic Revival

Similarity 45% After a devastating war between ancient mages, a powerful spell is all that holds together the shattered planet of Driftland. Take on the role of a powerful mage capable of moving and connecting floating lands, develop a mighty empire, and restore Driftland to its former glory! Driftland: The Magic Revival is a rts, 4x and god game game developed and published by Star Drifters. Released on April 18th 2019 has received 1,930 reviews of which 1,407 were positive and 523 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #7 position in the best deals for games like Heart of the Machine.
7.1
1,407
523

-99% 16.99€ 0.31€

8. Distant Worlds 2

Similarity 68% 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 #8 position in the best deals for games like Heart of the Machine.
6.9
2,304
933

-99% 48.99€ 0.35€

9. Warhammer 40,000: Gladius - Relics of War

Similarity 49% Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions. Warhammer 40,000: Gladius - Relics of War is a strategy, warhammer 40k and 4x game developed by Proxy Studios and published by Slitherine Ltd.. Released on July 12th 2018 has received 14,975 reviews of which 12,195 were positive and 2,780 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Heart of the Machine.
8.0
12,195
2,780

-98% 40.86€ 0.85€

10. Fantasy General II

Similarity 45% The fantasy wargaming classic is back! Lead powerful heroes and mighty armies into battle in this critically acclaimed turn-based strategy milestone. Level up and train your units and guide them through a gripping story campaign to decide the fate of a world on the brink of destruction. Fantasy General II is a strategy, turn-based strategy and fantasy game developed by Owned by Gravity and published by Slitherine Ltd.. Released on September 05th 2019 has received 1,235 reviews of which 1,025 were positive and 210 were negative resulting in a rating of 7.9 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Heart of the Machine.
7.9
1,025
210

-98% 38.99€ 0.89€

Free games like Heart of the Machine on Steam

Check out this fantastic list of free-to-play games like Heart of the Machine 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 Heart of the Machine.

1. Crusader Kings II

Similarity 54% 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. With 1,554 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Heart of the Machine.
8.9
66,359
7,450

1,554
players

2. SUPREMACY: WORLD WAR 3

Similarity 44% 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 #2 spot in the ranking of free games like Heart of the Machine.
7.5
4,033
1,224

469
players

3. Supremacy: 1914

Similarity 52% 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. Thanks to its free to play tag and a daily player base of 361, this game has secured the #3 spot in the ranking of free games like Heart of the Machine.
7.3
2,895
978

361
players

4. Supremacy: Call of War 1942

Similarity 54% 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 #4 position in the best free games like Heart of the Machine.
7.0
4,168
1,664

321
players

5. Order of Battle: World War II

Similarity 48% 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 #5 position in the best free games like Heart of the Machine.
7.6
2,350
652

190
players

6. Age of Conquest IV

Similarity 52% 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 #6 spot among the most played free games like Heart of the Machine.
7.9
2,242
506

16
players

7. Simutrans

Similarity 46% Simutrans is a freeware and open-source transportation simulator. Your goal is to establish a successful transport company. Transport passengers, mail and goods by rail, road, ship, and even air. Interconnect districts, cities, public buildings, industries and tourist attractions. Simutrans is a simulation, free to play and trains game developed and published by The Simutrans Team. Released on May 24th 2016 has received 622 reviews of which 468 were positive and 154 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #7 spot among the most played free games like Heart of the Machine.
7.2
468
154

16
players

8. Iron Order 1919

Similarity 56% 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 Heart of the Machine.
6.7
267
114

16
players

9. Demise of Nations

Similarity 54% Demise of Nations is a 4X turn-based grand strategy wargame covering the rise of Rome till the fall of modern civilization. Demise of Nations is a free to play, strategy and indie game developed and published by Noble Master LLC. Released on August 08th 2017 has received 523 reviews of which 423 were positive and 100 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #9 spot among the most played free games like Heart of the Machine.
7.6
423
100

9
players

10. 中华三国志 the Three Kingdoms of China

Similarity 48% 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 Heart of the Machine.
8.2
1,155
189

7
players