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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Workers & Resources: Soviet Republic
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.
Surviving Mars
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
Empires of the Undergrowth
Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.
Bee Island
Take control of the hive and protect it from enemies. Build factories and defence, research technologies and, if necessary, use nuclear weapons, but do not let the enemies harm the queen!
Endzone 2
Endzone 2 is a post-apocalyptic survival colony builder, where you embark to secure humanity's survival after a cataclysmic disaster. Discover and repopulate the last habitable grounds, while the survival of your people hinges on your wits, foresight, and resilience in a harsh and unforgiving world.
Exogate Initiative
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Endzone - A World Apart
Endzone is a post-apocalyptic survival city builder, where you start a new civilization with a group of people after an ecological disaster. Build them a new home and ensure their survival in a shattered world, threatened by constant radiation, toxic rain, sandstorms and droughts.
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.
Kingdoms Reborn
A city builder with simulated citizens, set in a procedurally-generated world map. Grow your kingdom through the eras from a tiny medieval hamlet into a prosperous global empire! Cooperate or compete in real-time with your friends in multiplayer mode.
The Last Haven
The world after a nuclear war. Manage the settlement, learn technology, make decisions, produce weapons, ammunition, organize defense, raid for supplies on other areas, do not let residents die, survive the nuclear winter.
IXION
IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?
Frostpunk
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
Laysara: Summit Kingdom
Build and expand your very own settlements in high mountains! Carefully plan production chains and satisfy various needs of your three-caste society while dealing with mountain hazards such as weather breakdowns and avalanches. Are you skilled enough to make your town thrive?
Stronghold: Warlords
Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!
Black Forest
Danger, death, and despair define Black Forest. As the chief of an unlucky village, your goal is to survive. Gather resources, shore up the village, then survive the terrifying night. Maybe you'll hold out long enough for relief to arrive. Maybe not. Are you up to the challenge?
Stronghold Legends: Steam Edition
Catapult werewolves over castle walls, incinerate troops with dragon fire and command the Knights of the Round Table! This remaster of the mythical ‘castle sim’ features Steam multiplayer, Workshop support, new maps, achievements and DLC campaigns.
Stronghold 2: Steam Edition
Tax, torture or treat your peasants! Rehabilitate criminals or sentence them to death? Decide as you enjoy jousting over a lavish banquet, all while under siege from the warmongering Lord Barclay.
Seeds of Resilience
Ready to start anew? Build a village from scratch in Seeds of Resilience. Learn to choose the right items, understand nature's patterns, use real life-based constructions and craft techniques in this turn-based tycoon game.
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.
Microtopia
Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!
Zombie Cure Lab
Construct a laboratory base full of machinery to cure zombies. Assign workers to gather and process resources, building up your economy. Defend against zombie attacks and convert them into your workforce. Research technologies to develop the final antidote and restore humanity.
Primitive Society Simulator
In this game, you'll be the leader of an ancient tribe, guiding your people to explore the natural world, to hunt, and to farm. As culture and civilization prosper, you shall establish a tribal alliance, a community with a shared future of tribes.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 April 17th 2025.
1. RimWorld
Similarity 62% A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more. RimWorld is a colony sim, base-building and survival game developed and published by Ludeon Studios. Released on October 17th 2018 has received 207,285 reviews of which 203,071 were positive and 4,214 were negative resulting in an impressive rating of 9.7 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 19,632 peak concurrent players over the last day.
9.7
203,071
4,214
19,632
players
2. Factorio
Similarity 52% Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you. Factorio is a automation, base-building and resource management game developed and published by Wube Software LTD.. Released on August 14th 2020 has received 212,622 reviews of which 206,226 were positive and 6,396 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 14,702 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.
9.6
206,226
6,396
14,702
players
3. Age of Empires IV: Anniversary Edition
Similarity 59% 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 78,584 reviews of which 67,670 were positive and 10,914 were negative resulting in a rating of 8.5 out of 10. While seeing 7,301 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
67,670
10,914
7,301
players
4. Oxygen Not Included
Similarity 64% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,145 reviews of which 123,019 were positive and 4,126 were negative resulting in an impressive rating of 9.5 out of 10. With 4,669 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.
9.5
123,019
4,126
4,669
players
5. Kenshi
Similarity 62% A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors. Kenshi is a open world, sandbox and rpg game developed and published by Lo-Fi Games. Released on December 06th 2018 has received 95,436 reviews of which 91,127 were positive and 4,309 were negative resulting in an impressive rating of 9.4 out of 10. With 3,314 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.
9.4
91,127
4,309
3,314
players
6. Timberborn
Similarity 53% Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood. Timberborn is a city builder, voxel and colony sim game developed and published by Mechanistry. Released on September 15th 2021 has received 30,293 reviews of which 28,922 were positive and 1,371 were negative resulting in an impressive rating of 9.3 out of 10. With 2,714 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.
9.3
28,922
1,371
2,714
players
7. Manor Lords
Similarity 67% 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. Manor Lords is a strategy, city builder and simulation game developed by Slavic Magic and published by Hooded Horse. Released on April 26th 2024 has received 70,300 reviews of which 60,884 were positive and 9,416 were negative resulting in a rating of 8.5 out of 10. With 2,193 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.
8.5
60,884
9,416
2,193
players
8. Dyson Sphere Program
Similarity 59% Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire. Dyson Sphere Program is a automation, space and base-building game developed by Youthcat Studio and published by Gamera Games. Released on January 20th 2021 has received 84,564 reviews of which 82,585 were positive and 1,979 were negative resulting in an impressive rating of 9.6 out of 10. With 1,932 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.
9.6
82,585
1,979
1,932
players
9. Jurassic World Evolution 2
Similarity 52% Jurassic World Evolution 2 is the much-anticipated sequel to Frontier’s highly successful Jurassic World Evolution. This bold new era in the Jurassic World Evolution game franchise builds upon the ground-breaking and immersive 2018 management simulation. Jurassic World Evolution 2 is a dinosaurs, building and simulation game developed and published by Frontier Developments. Released on November 09th 2021 has received 35,546 reviews of which 31,755 were positive and 3,791 were negative resulting in a rating of 8.8 out of 10. With 1,720 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.
8.8
31,755
3,791
1,720
players
10. Northgard
Similarity 63% Northgard is a critically acclaimed strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne! Northgard is a strategy, city builder and simulation game developed and published by Shiro Games. Released on March 07th 2018 has received 64,080 reviews of which 55,486 were positive and 8,594 were negative resulting in a rating of 8.5 out of 10. With 1,680 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.
8.5
55,486
8,594
1,680
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 April 17th 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. Naheulbeuk's Dungeon Master
Similarity 54% A dungeon in danger ! Build, manage, and defend your tower in the satirical heroic fantasy universe of Dungeon of Naheulbeuk. From a shaky establishment to an infamous lair! Naheulbeuk's Dungeon Master is a management, simulation and funny game developed by Artefacts Studio and published by Dear Villagers. Released on November 15th 2023 has received 1,373 reviews of which 988 were positive and 385 were negative resulting in a rating of 7.0 out of 10. Featuring a massive 96% discount, this game currently holds the #1 spot in the best deals for games like Diplomacy is Not an Option.
7.0
988
385
-96%
25.00€
1.00€
2. Lords and Villeins
Similarity 55% Build a prosperous settlement in a unique simulation of a feudal economy - each family runs their shop, owns their goods, and trades with other villagers in a free market. You will manage the land, build houses, organise events, set taxes, and balance supply and demand while engaging in diplomacy! Lords and Villeins is a colony sim, strategy and city builder game developed by Honestly Games and published by Fulqrum Publishing. Released on November 10th 2022 has received 868 reviews of which 628 were positive and 240 were negative resulting in a rating of 6.9 out of 10. Thanks to its incredible 96% discount, this game is now the #2 best deal in games like Diplomacy is Not an Option.
6.9
628
240
-96%
27.50€
1.10€
3. Founders' Fortune
Similarity 70% 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 2,093 reviews of which 1,686 were positive and 407 were negative resulting in a rating of 7.8 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in games like Diplomacy is Not an Option.
7.8
1,686
407
-95%
20.00€
1.00€
4. InfraSpace
Similarity 51% Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain. InfraSpace is a city builder, automation and transportation game developed and published by Dionic Software. Released on September 22nd 2023 has received 1,611 reviews of which 1,297 were positive and 314 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for games like Diplomacy is Not an Option.
7.7
1,297
314
-95%
20.00€
1.00€
5. Honey, I Joined a Cult
Similarity 55% 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 1,713 reviews of which 1,268 were positive and 445 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 95% discount, this title has earned the #5 position in the best deals for games like Diplomacy is Not an Option.
7.2
1,268
445
-95%
23.40€
1.17€
6. Stronghold Crusader 2
Similarity 60% 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 16,919 reviews of which 12,202 were positive and 4,717 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 95% discount, this title has earned the #6 position in the best deals for games like Diplomacy is Not an Option.
7.1
12,202
4,717
-95%
34.80€
1.74€
7. Snowtopia: Ski Resort Builder
Similarity 63% Build your ideal ski resort. Keep skiers smiling with fresh pistes and fine facilities. Ski, build and chill in the wintry world of Snowtopia where everyone is welcome! Snowtopia: Ski Resort Builder is a simulation, building and management game developed by TeaForTwo and published by Goblinz Publishing and Maple Whispering Limited. Released on December 14th 2022 has received 1,162 reviews of which 713 were positive and 449 were negative resulting in a rating of 6 out of 10. Currently offered at a significant 94% discount, this title has earned the #7 position in the best deals for games like Diplomacy is Not an Option.
6
713
449
-94%
19.83€
1.19€
8. Medieval Kingdom Wars
Similarity 52% Rewrite medieval history through bloody siege combat in a fusion of RTS and Grand Strategy genres. Rule, build, and serve your King as a minor lord in medieval Europe. Experience siege, field and naval combat with an unseen degree of brutality. Rogue-like progression, epic towns and battles await… Medieval Kingdom Wars is a grand strategy, rts and medieval game developed by Reverie World Studios and published by indie.io. Released on January 03rd 2019 has received 2,585 reviews of which 1,977 were positive and 608 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 93% discount, this title has earned the #8 position in the best deals for games like Diplomacy is Not an Option.
7.4
1,977
608
-93%
14.29€
1.00€
9. Life is Feudal: Forest Village
Similarity 66% 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. Life is Feudal: Forest Village is a city builder, colony sim and strategy game developed by Mindillusion and published by Bitbox Ltd.. Released on May 26th 2017 has received 5,873 reviews of which 3,892 were positive and 1,981 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 93% discount, this title has earned the #9 position in the best deals for games like Diplomacy is Not an Option.
6.5
3,892
1,981
-93%
24.57€
1.72€
10. Frostpunk
Similarity 67% Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process? Frostpunk is a city builder, survival and resource management game developed and published by 11 bit studios. Released on April 24th 2018 has received 121,977 reviews of which 112,830 were positive and 9,147 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 91% discount, this title has earned the #10 position in the best deals for games like Diplomacy is Not an Option.
9.1
112,830
9,147
-91%
30.00€
2.70€
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 April 17th 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. Fallout Shelter
Similarity 50% Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland. Fallout Shelter is a free to play, base-building and survival game developed by Bethesda Game Studios and published by Bethesda Softworks. Released on March 29th 2017 has received 73,710 reviews of which 65,209 were positive and 8,501 were negative resulting in a rating of 8.7 out of 10. With 956 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.
8.7
65,209
8,501
956
players
2. Stronghold Kingdoms
Similarity 60% A massively multiplayer grand strategy game, Stronghold Kingdoms is about forging alliances, political mind games, city-building and castle sieges with thousands of other players! Stronghold Kingdoms is a strategy, free to play and medieval game developed and published by FireFly Studios. Released on February 27th 2012 has received 9,298 reviews of which 5,950 were positive and 3,348 were negative resulting in a rating of 6.3 out of 10. Thanks to its free to play tag and a daily player base of 267, this game has secured the #2 spot in the ranking of free games like Diplomacy is Not an Option.
6.3
5,950
3,348
267
players
3. Kingdom: Classic
Similarity 59% 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, singleplayer and strategy game developed by Noio and Licorice and published by Raw Fury. Released on October 21st 2015 has received 21,983 reviews of which 19,934 were positive and 2,049 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #3 spot among the most played free games like Diplomacy is Not an Option.
8.9
19,934
2,049
51
players
4. Crustacean Nations
Similarity 53% 🦀Crustacean Nations🦀 is a real-time strategy game about total crab warfare. Build a sprawling sand castle and amass huge armies to dominate the beach and become the one true crustacean nation! Crustacean Nations is a strategy, casual and action rts game developed and published by Team Beans. Released on August 19th 2022 has received 450 reviews of which 417 were positive and 33 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #4 spot among the most played free games like Diplomacy is Not an Option.
8.6
417
33
3
players
5. 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 simulation game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on October 07th 2022 has received 1,584 reviews of which 1,423 were positive and 161 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #5 spot among the most played free games like Diplomacy is Not an Option.
8.6
1,423
161
1
players
6. Kingdom Wars
Similarity 50% Kingdom Wars is a free to play 3D MMORTS with real-time siege combat, without the pay to win element so common in the genre. Kingdom Wars offers beautiful 3D online world, where players construct strongholds, direct citizens, complete quests and eventually manage a global empire. Kingdom Wars is a strategy, free to play and rts game developed by Reverie World Studios and published by . Released on April 01st 2013 has received 2,779 reviews of which 1,871 were positive and 908 were negative resulting in a rating of 6.6 out of 10. The game currently holds the #6 spot among the most played free games like Diplomacy is Not an Option.
6.6
1,871
908
1
players
7. Garbage: Hobo Prophecy
Similarity 50% Experience the struggle which a homeless man goes through in a humorous manner. Primitive elements of contemporary life that we take for granted, such as staying warm, well-nourished, and hygienic, will become an issue. Garbage: Hobo Prophecy is a simulation, strategy and auto battler game developed by Homebased and published by GrabTheGames and UpgradePoint. Released on January 28th 2021 has received 1,391 reviews of which 1,023 were positive and 368 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #7 spot among the most played free games like Diplomacy is Not an Option.
7.1
1,023
368