Games like Diplomacy is Not an Option on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Diplomacy is Not an Option are available at the bottom of the page.

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Chromosome Evil Dive deep into this Lovecraft-inspired RTS survival. Assemble your team using different classes, skills, and weaponry. It's up to your squad to survive the onslaught of nightmares that are surely coming your way. Will you find the source of the darkness?

Similarity 49%
Price 12.49€
Rating 7.9
Release 24 Mar 2022
KAISERPUNK Build a city to rule the world in Kaiserpunk, a grand city builder blending production-focused city building with world conquest in an alternate 20th century world. Manage your city, grow industries, build a military, and defeat rivals to become the greatest empire.

Similarity 49%
Price -40% 18.19€
Rating 6.7
Release 21 Mar 2025
Against the Storm A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.

Similarity 49%
Price -94% 2.04€
Rating 9.3
Release 08 Dec 2023
Age of Empires II (Retired) Age of Empires II has been re-imagined in high definition. With the release of Age of Empires II: Definitive Edition, this product will not be updated further.

Similarity 49%
Price 19.99€
Rating 9.4
Release 09 Apr 2013
Stronghold Crusader 2 Stronghold Crusader 2 is the long awaited sequel to the original castle sim. After 12 years Stronghold returns to the desert with a new 3D engine and powerful Havok Physics. Crusader 2 recaptures the original game’s addictive, fast-paced gameplay and authentic castle simulation.

Similarity 49%
Price -98% 0.87€
Rating 7.1
Release 22 Sep 2014
Life is Feudal: Forest Village LiF:Forest Village is a city builder with survival aspects in a realistic harsh medieval world. Shape, build and expand your settlement, grow various food to prevent your villagers from avitaminosis and starvation. Possess them for additional micromanagement or simply to wander around.

Similarity 49%
Price -97% 0.83€
Rating 6.5
Release 26 May 2017
Automation Empire Build and manage a massive industrial network of factories, mines, and farms. Employ a fleet of trains, trucks, and robotic drones. In the age of automation, efficiency is survival!

Similarity 48%
Price 24.99€
Rating 6.5
Release 20 Nov 2019
Wargame: Red Dragon The new reference in RTS at its best! The Wargame series returns to duty, larger, richer and more spectacular than ever before. In Wargame Red Dragon, you are engaged in a large-scale conflict where Western forces clash against the Communist bloc.

Similarity 48%
Price -68% 9.66€
Rating 8.7
Release 17 Apr 2014
Frostpunk 2 Develop, expand, and advance your city in a society survival game set 30 years after an apocalyptic blizzard ravaged Earth. In Frostpunk 2, you face not only the perils of never-ending winter, but also the powerful factions that watch your every step inside the Council Hall.

Similarity 48%
Price -61% 17.87€
Rating 7.5
Release 20 Sep 2024
Men of War™ Men of War is a stunning Real-Time Strategy game that takes place during the height of World War II. Intense battles span Europe and North Africa as gamers play as Soviet, Allied or German forces across 19 massive single-player missions.

Similarity 48%
Price 4.99€
Rating 8.7
Release 06 May 2009
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 48%
Price -63% 15.03€
Rating 8.5
Release 26 Apr 2024
Combat Mission Shock Force 2 The latest title in the famous Combat Mission franchise of wargames, now on Steam. Shock Force 2 brings you to a hypothetical conflict in Syria between the forces of NATO and the Syrian Army. Play either on WeGo or Real Time in an incredibly detailed and realistic 1:1 tactical simulation.

Similarity 48%
Price -85% 9.38€
Rating 7.8
Release 31 Aug 2020
Foundation Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.

Similarity 48%
Price 33.99€
Rating 8.4
Release 31 Jan 2025
ARMA: Gold Edition ARMA: Gold is pack of ARMA: Armed Assault and an expansion pack ARMA: Queen's Gambit. ARMA is a first person tactical military shooter with large elements of realism and simulation. This game features a blend of large-scale military conflict spread over large areas alongside the more closed quarters battle.

Similarity 48%
Price -80% 7.99€
Rating 7.3
Release 13 Jul 2011
Formata Lead. Fight. Win.

Similarity 48%
Price 9.00€
Rating 6.3
Release 07 Dec 2017
Door Kickers 2: Task Force North Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".

Similarity 48%
Price -38% 14.89€
Rating 9.3
Release 10 Feb 2025
Honey, I Joined a Cult It's time to start working towards that ultimate goal of enlightenment, faith and money…lots and lots of money! Become the ultimate tycoon - create, customise, and manage your own cult whilst listening to funky music. Welcome to Honey, I Joined a Cult!

Similarity 48%
Price -99% 0.40€
Rating 7.1
Release 03 Nov 2022
Emergency 2014 You have command of paramedics, fire brigades, police and disaster relief. Send your teams out on tense real-time missions to deal with disasters in Europe's major centres.

Similarity 48%
Price 9.99€
Rating 6.2
Release 15 Nov 2013
Over the Counter A pharmaceutical business management game.

Similarity 48%
Price Free to play
Rating 8.5
Release 12 Feb 2022
Buggos Lead your hive to victory in 'Buggos', an RTS Auto Battler! Customize your swarm with 120+ evolutions and conquer humanity. Strategy meets bug chaos!

Similarity 48%
Price -96% 0.65€
Rating 8.3
Release 17 Mar 2022
Halo Wars: Definitive Edition Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.

Similarity 48%
Price 19.99€
Rating 8.8
Release 20 Apr 2017
ARMA: Cold War Assault Bohemia Interactive's debut game published by Codemasters as Operation Flashpoint in 2001, became genre-defining combat military simulation and the No. 1 bestselling PC game around the world and has won many international awards, including “Game of The Year” and “Best Action Game”. Over 2 million copies have been sold since its release.

Similarity 48%
Price -80% 0.99€
Rating 7.8
Release 08 Aug 2011
Particle Fleet: Emergence Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.

Similarity 48%
Price 14.99€
Rating 8.8
Release 29 Sep 2016
Blacksmith Master Manage your own medieval smithy in Blacksmith Master and supervise the entire process from mining ores and gems to designing and selling finished products. Forge everything from weapons and armor to tools and cooking utensils to fund your craft and become the Blacksmith Master.

Similarity 47%
Price -57% 8.73€
Rating 8.0
Release 15 May 2025

Most played games like Diplomacy is Not an Option on Steam

Take a look at the top games like Diplomacy is Not an Option that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.

1. Hearts of Iron IV

Similarity 46% 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 Diplomacy is Not an Option, thanks to its 34,133 peak concurrent players over the last day.
8.8
305,168
36,982

34,133
players

2. Age of Empires II: Definitive Edition

Similarity 50% 42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king. Age of Empires II: Definitive Edition is a strategy, rts and city builder game developed by Forgotten Empires, Tantalus Media, Wicked Witch, World's Edge and CaptureAge and published by Xbox Game Studios. Released on November 14th 2019 has received 162,462 reviews of which 154,061 were positive and 8,401 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 17,203 players online at once in the last 24 hours, this game is currently ranked #2 among games like Diplomacy is Not an Option based on player count.
9.4
154,061
8,401

17,203
players

3. Age of Empires IV: Anniversary Edition

Similarity 51% Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world. Age of Empires IV: Anniversary Edition is a strategy, rts and base-building game developed by Relic Entertainment, Forgotten Empires, Climax Studios and World's Edge and published by Xbox Game Studios. Released on October 28th 2021 has received 80,870 reviews of which 69,559 were positive and 11,311 were negative resulting in a rating of 8.5 out of 10. While seeing 7,469 players online at once in the last 24 hours, this game is currently ranked #3 among games like Diplomacy is Not an Option based on player count.
8.5
69,559
11,311

7,469
players

4. Captain of Industry

Similarity 42% Land your crew of survivors on an abandoned island and survive! Mine raw materials, grow food, build factories, manufacture products, research new tech, and trade with others. Become an industrial superpower! But this is no easy task, you will be put to the test to keep your settlement alive. Captain of Industry is a base-building, automation and resource management game developed and published by MaFi Games. Released on May 31st 2022 has received 7,154 reviews of which 6,737 were positive and 417 were negative resulting in an impressive rating of 9.1 out of 10. With 4,520 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Diplomacy is Not an Option.
9.1
6,737
417

4,520
players

5. Age of Empires III: Definitive Edition

Similarity 51% 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 3,894 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Diplomacy is Not an Option.
8.3
40,941
7,401

3,894
players

6. Anno 1800

Similarity 49% Anno 1800™ – Lead the Industrial Revolution! Welcome to the dawn of the Industrial Age. The path you choose will define your world. Are you an innovator or an exploiter? A conqueror or a liberator? How the world remembers your name is up to you. Anno 1800 is a city builder, strategy and simulation game developed by Ubisoft Mainz and published by Ubisoft. Released on April 16th 2019 has received 25,091 reviews of which 20,368 were positive and 4,723 were negative resulting in a rating of 8.0 out of 10. With 3,737 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Diplomacy is Not an Option.
8.0
20,368
4,723

3,737
players

7. Total War: MEDIEVAL II – Definitive Edition

Similarity 40% 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. Total War: MEDIEVAL II – Definitive Edition is a strategy, medieval and historical game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on November 15th 2006 has received 33,344 reviews of which 31,910 were positive and 1,434 were negative resulting in an impressive rating of 9.4 out of 10. With 3,534 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Diplomacy is Not an Option.
9.4
31,910
1,434

3,534
players

8. Age of Empires II (Retired)

Similarity 49% Age of Empires II has been re-imagined in high definition. With the release of Age of Empires II: Definitive Edition, this product will not be updated further. Age of Empires II (Retired) is a strategy, rts and medieval game developed by SkyBox Labs, Hidden Path Entertainment, Ensemble Studios and Forgotten Empires and published by Xbox Game Studios. Released on April 09th 2013 has received 101,351 reviews of which 97,083 were positive and 4,268 were negative resulting in an impressive rating of 9.4 out of 10. With 2,893 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Diplomacy is Not an Option.
9.4
97,083
4,268

2,893
players

9. Total War: EMPIRE – Definitive Edition

Similarity 42% Command the seas, control the land, forge a new nation, and conquer the globe. Total War: EMPIRE – Definitive Edition is a strategy, historical and military game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on March 04th 2009 has received 35,480 reviews of which 32,211 were positive and 3,269 were negative resulting in a rating of 8.9 out of 10. With 2,601 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Diplomacy is Not an Option.
8.9
32,211
3,269

2,601
players

10. Workers & Resources: Soviet Republic

Similarity 46% Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity. Workers & Resources: Soviet Republic is a strategy, simulation and city builder game developed by 3Division and published by Hooded Horse. Released on June 20th 2024 has received 22,175 reviews of which 20,192 were positive and 1,983 were negative resulting in a rating of 8.9 out of 10. With 2,515 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Diplomacy is Not an Option.
8.9
20,192
1,983

2,515
players

Best deals on games like Diplomacy is Not an Option on Steam

Discover fantastic savings with the best discounts on a variety of games like Diplomacy is Not an Option available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Diplomacy is Not an Option.

1. Starship Troopers: Terran Command

Similarity 60% Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes! Starship Troopers: Terran Command is a strategy, rts and singleplayer game developed by The Artistocrats and published by Slitherine Ltd.. Released on June 16th 2022 has received 10,784 reviews of which 9,461 were positive and 1,323 were negative resulting in a rating of 8.5 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Diplomacy is Not an Option.
8.5
9,461
1,323

-99% 28.99€ 0.46€

2. Founders' Fortune

Similarity 42% A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager. Founders' Fortune is a colony sim, base-building and city builder game developed and published by Dionic Software. Released on December 18th 2020 has received 2,114 reviews of which 1,699 were positive and 415 were negative resulting in a rating of 7.7 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Diplomacy is Not an Option.
7.7
1,699
415

-99% 18.99€ 0.26€

3. Destroyer: The U-Boat Hunter

Similarity 40% 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 Diplomacy is Not an Option.
7.2
783
255

-99% 29.99€ 0.49€

4. Honey, I Joined a Cult

Similarity 48% It's time to start working towards that ultimate goal of enlightenment, faith and money…lots and lots of money! Become the ultimate tycoon - create, customise, and manage your own cult whilst listening to funky music. Welcome to Honey, I Joined a Cult! Honey, I Joined a Cult is a simulation, base-building and resource management game developed by Sole Survivor Games and published by Team17. Released on November 03rd 2022 has received 1,732 reviews of which 1,279 were positive and 453 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 Diplomacy is Not an Option.
7.1
1,279
453

-99% 21.99€ 0.40€

5. The Pale Beyond

Similarity 43% You didn’t ask to lead this expedition, but here you are. Stuck in the ice, Captain missing, miles from civilisation. Someone has to take charge. Manage your meagre resources, balance safety and morale, make the hard calls, and head in the only direction you can - through The Pale Beyond. The Pale Beyond is a resource management, survival and choices matter game developed by Bellular Studios and published by Fellow Traveller. Released on February 24th 2023 has received 1,862 reviews of which 1,658 were positive and 204 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Diplomacy is Not an Option.
8.5
1,658
204

-98% 19.50€ 0.55€

6. Field of Glory II

Similarity 40% 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 #6 position in the best deals for games like Diplomacy is Not an Option.
7.9
960
197

-98% 28.99€ 0.66€

7. Knights of Honor II: Sovereign

Similarity 46% 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 #7 position in the best deals for games like Diplomacy is Not an Option.
7.5
4,450
1,342

-98% 44.99€ 0.98€

8. Railroad Tycoon 3

Similarity 42% Railroad Tycoon 3 features 25 scenarios challenging players to recreate magnificent feats of railroading history from around the world. Players can lay track (including tunnels and overpasses), pick from over 40 locomotives from early steams to modern bullets, choose to haul over 35 types of cargo in a dynamic economy, and participate in... Railroad Tycoon 3 is a management, strategy and trains game developed by PopTop and published by 2K. Released on May 04th 2007 has received 1,169 reviews of which 900 were positive and 269 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Diplomacy is Not an Option.
7.4
900
269

-98% 9.99€ 0.25€

9. Rise of Industry

Similarity 46% Put your entrepreneurial skills to the test in the first title in the ROI series as you create & optimise intricate production lines. As an early 20th-Century industrialist, grow your empire & adapt to an ever-changing business landscape with unexpected events that could lead to boom…or bust. Rise of Industry is a management, strategy and economy game developed by Dapper Penguin Studios and published by Kasedo Games. Released on May 02nd 2019 has received 4,100 reviews of which 3,001 were positive and 1,099 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Diplomacy is Not an Option.
7.1
3,001
1,099

-98% 28.99€ 0.62€

10. Stronghold Crusader 2

Similarity 49% Stronghold Crusader 2 is the long awaited sequel to the original castle sim. After 12 years Stronghold returns to the desert with a new 3D engine and powerful Havok Physics. Crusader 2 recaptures the original game’s addictive, fast-paced gameplay and authentic castle simulation. Stronghold Crusader 2 is a strategy, medieval and city builder game developed and published by FireFly Studios. Released on September 22nd 2014 has received 17,082 reviews of which 12,328 were positive and 4,754 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Diplomacy is Not an Option.
7.1
12,328
4,754

-98% 29.99€ 0.87€

Free games like Diplomacy is Not an Option on Steam

Check out this fantastic list of free-to-play games like Diplomacy is Not an Option you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Diplomacy is Not an Option.

1. Age of Empires III: Definitive Edition

Similarity 51% 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 3,894 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Diplomacy is Not an Option.
8.3
40,941
7,401

3,894
players

2. War Selection

Similarity 41% War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map. War Selection is a strategy, base-building and free to play game developed and published by Glyph Worlds. Released on October 08th 2019 has received 21,854 reviews of which 18,745 were positive and 3,109 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 579, this game has secured the #2 spot in the ranking of free games like Diplomacy is Not an Option.
8.4
18,745
3,109

579
players

3. Supremacy: Call of War 1942

Similarity 41% 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. Thanks to its free to play tag and a daily player base of 351, this game has secured the #3 spot in the ranking of free games like Diplomacy is Not an Option.
7.0
4,168
1,664

351
players

4. Kingdom: Classic

Similarity 46% Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic. Kingdom: Classic is a free to play, strategy and singleplayer game developed by Noio and Licorice and published by Raw Fury. Released on October 21st 2015 has received 22,088 reviews of which 20,023 were positive and 2,065 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #4 spot among the most played free games like Diplomacy is Not an Option.
8.9
20,023
2,065

59
players

5. World War Armies

Similarity 41% World War Armies is the ultimate PvP real-time strategy game. Command advanced war machines and compete for free against other players worldwide. Revolutionary mechanics reduce downtime and focus on direct engagement with the enemy, you get to the fun parts of RTS faster. World War Armies is a rts, pvp and strategy game developed and published by Hypemasters and Inc.. Released on May 02nd 2024 has received 769 reviews of which 479 were positive and 290 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #5 spot among the most played free games like Diplomacy is Not an Option.
6.1
479
290

42
players

6. Beecarbonize

Similarity 43% Do you have what it takes to save the planet? Beecarbonize is an environmental card strategy game with climate change as your opponent. Beecarbonize is a strategy, resource management and card game game developed and published by Charles Games. Released on August 01st 2023 has received 1,980 reviews of which 1,850 were positive and 130 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #6 spot among the most played free games like Diplomacy is Not an Option.
8.9
1,850
130

6
players

7. Terraformers: First Steps on Mars

Similarity 46% Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet. Terraformers: First Steps on Mars is a strategy, simulation and colony sim game developed by Asteroid Lab and published by Goblinz Publishing and IndieArk. Released on October 23rd 2021 has received 683 reviews of which 610 were positive and 73 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #7 spot among the most played free games like Diplomacy is Not an Option.
8.4
610
73

4
players

8. Oxygen: First Breath

Similarity 53% This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running! Oxygen: First Breath is a strategy, base-building and city builder game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on October 07th 2022 has received 1,594 reviews of which 1,432 were positive and 162 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #8 spot among the most played free games like Diplomacy is Not an Option.
8.6
1,432
162

3
players

9. Over the Counter

Similarity 48% A pharmaceutical business management game. Over the Counter is a simulation, strategy and medical sim game developed and published by Brody Rampono. Released on February 12th 2022 has received 386 reviews of which 355 were positive and 31 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #9 spot among the most played free games like Diplomacy is Not an Option.
8.5
355
31

10. Epicinium

Similarity 45% Epicinium is a strategy game where nature is a finite resource. No need to wait for your move, thanks to fast, simultaneous turns. Your economy and troops are influenced by the environment and increasingly severe weather effects. Is it worth winning a war when you end up conquering dirt and ash? Epicinium is a turn-based strategy, pvp and military game developed and published by A Bunch of Hacks. Released on October 12th 2020 has received 302 reviews of which 265 were positive and 37 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #10 spot among the most played free games like Diplomacy is Not an Option.
8.1
265
37