Games Like Diplomacy is Not an Option

They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?

Why similar: Colony Sim 24.8%, Base Building 19.8%, Zombies 15.7%, RTS 9.5%, Tower Defense 7.6%

Why You'll Like It: This is the definitive horde-survival RTS that pioneered the base-building mechanics found in the seed game.

Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.

Why similar: Action RTS 17.6% ★, Base Building 15.2%, Medieval 12.8%, RTS 11.5%, Tower Defense 11.4%

Why You'll Like It: It mirrors the seed game's focus on managing a massive economy to survive against thousands of enemies in real-time.

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.

Why similar: Colony Sim 16.1%, Real-Time with Pause 14.4% ★, Zombies 11.4%, Base Building 9.9%, Resource Management 8.3%

Why You'll Like It: This game emphasizes the structural integrity of your defenses, allowing for intricate castle building to withstand incoming sieges.

Build a castle by day and defend it by night. Becastled blends cozy city-building with challenging tower defense strategy. Lead the Sun Kingdom’s last stand against the Moon Beasts and end the ancient conflict between light and darkness!

Why similar: Base Building 24.3%, Colony Sim 21.6%, Medieval 13.9%, RTS 10.8%, War 8.2%

Why You'll Like It: A direct thematic match that tasks you with building a medieval fortress and defending it against nightly waves of enemies.

A minimalist game about building and defending your little kingdom.

Why similar: Tower Defense 23.9%, Medieval 22.1%, Action RTS 20.7% ★, Base Building 16.9%, Isometric 10.1%

Why You'll Like It: It distills the base-defense loop into a minimalist, highly addictive experience that focuses on tactical positioning and economy management.

Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.

Why similar: Colony Sim 20.9%, Historical 13.3%, Medieval 13.3%, Base Building 12.4%, RTS 9.6%

Why You'll Like It: The classic castle-building experience that remains the gold standard for medieval siege warfare and resource management.

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.

Why similar: Colony Sim 25.2%, Historical 18.1%, Base Building 16%, Medieval 14.1%, Resource Management 13.9%

Why You'll Like It: A roguelite city-builder that forces you to balance rapid expansion with constant environmental survival pressures.

From the Command & Conquer veterans at Petroglyph comes the first ever survival RTS set in the savage world of Conan the Barbarian. Play solo or team up in multiplayer in Conan Unconquered’s action-packed co-op Mode where you build a shared stronghold and fend off the hordes together.

Why similar: RTS 33.7%, Base Building 22.1%, Tower Defense 16.9%, Strategy 16.4%, Simulation 6.1%

Why You'll Like It: Developed by RTS veterans, this game focuses on building a fortress and surviving waves of enemies in a brutal fantasy setting.

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.

Why similar: Historical 25.8%, Base Building 21.6%, Medieval 19.6%, Colony Sim 12.7%, Resource Management 8%

Why You'll Like It: While more focused on city-building, its tactical combat and medieval realism provide a grounded experience similar to the seed game.

From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.

Why similar: Real-Time with Pause 16.3% ★, Colony Sim 15.3%, Action RTS 11.1% ★, Base Building 11.1%, Zombies 10%

Why You'll Like It: A unique horde-survival RTS where you must expand your base while constantly fighting off a encroaching, persistent enemy mass.

The King is Watching is a roguelite kingdom builder. Rule by the power of your royal gaze! Decide between producing resources, training armies, or balancing both, while adapting to unique events every run

Why similar: Base Building 21.9%, Resource Management 17.7%, Medieval 16.3%, RTS 15.9%, Tower Defense 15.1%

Why You'll Like It: A roguelike RTS that captures the frantic feeling of managing a kingdom while under constant threat from dark fantasy forces.

Kingdoms and Castles is a city-building simulation game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle. Make trade agreements, alliance, and war with neighboring AI controlled kingdoms. Each villager and resource is individually simulated.

Why similar: Colony Sim 29.3%, Resource Management 14%, Base Building 13.8%, Medieval 11.8%, RTS 10.2%

Why You'll Like It: Offers a more accessible take on medieval city-building with a strong emphasis on defending your structures from invaders and dragons.

Gird your loins and sharpen your steel! Besiege 20 unique enemy lords and battle friends online, in this expanded remaster of the classic 'castle sim'. Relive history with new units, opponents, visuals, audio, campaigns, skirmish trails, co-op and larger maps.

Why similar: Colony Sim 21.5%, Medieval 12.6%, Base Building 11.6%, Historical 11.3%, RTS 8.5%

Why You'll Like It: A beloved classic that focuses on desert-themed castle defense and complex supply chain management.

Warlords Under Siege is a mix of RTS and Roguelike genre, where you build a small city and defend it against continuous waves of enemies. Improve your assortment of weapons with each playthrough, unlocking new possibilities to beat the ever-increasing threat.

Why similar: Action RTS 29.1% ★, Base Building 21%, Medieval 20.2%, RTS 14.6%, Survival 8.9%

Why You'll Like It: This title expertly blends real-time strategy with tower defense mechanics to create a challenging survival experience.

Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.

Why similar: Colony Sim 33.8%, Historical 23%, Base Building 20.4%, Survival 8.2%, PvE 6.8%

Why You'll Like It: A colony sim that allows for complex vertical castle construction and survival against raids in a medieval setting.

Lead your noble family in this medieval colony sim, facing off against class conflict, religious struggle, and political treachery. Tend to your people’s needs, uncover the lost knowledge of a fallen empire, and engage in nefarious plots against your enemies.

Why similar: Colony Sim 26.1%, Historical 18.1%, Base Building 15.9%, Medieval 14.1%, Resource Management 13.4%

Why You'll Like It: A medieval colony sim that adds deep social and political dynamics to the standard base-building survival loop.

Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.

Why similar: Colony Sim 23.2%, Historical 17.1%, Base Building 14%, Resource Management 13.3%, Medieval 13.3%

Why You'll Like It: A challenging city-builder that requires careful resource management and defensive planning to survive harsh winters and raiders.

A medieval city under siege and a handful of civilians are all that keep the walls from falling. Mixing survival strategy and resource management, build your camp, craft supplies, and scavenge the occupied city to supply the last troops holding back the invaders.

Why similar: Historical 16.9%, Base Building 16.2%, Resource Management 16.1%, Medieval 15.4%, Isometric 11.1%

Why You'll Like It: This game highlights the gritty, desperate side of being under siege, focusing on resource management during a collapse.

In this city-building game, you will lead a group of survivors in their search for a new home. Manipulate the landscape, manage limited supplies, plant crops, hunt wildlife, gather resources, and develop trade routes to build a bustling and unique town.

Why similar: Colony Sim 37.4%, Medieval 21.7%, Base Building 13.2%, Resource Management 12.2%, Survival 9%

Why You'll Like It: A survival-focused city-builder where managing your population's needs is just as important as defending against external threats.

Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.

Why similar: Medieval 25.2%, Colony Sim 20.6%, Resource Management 17.6%, Base Building 12.8%, RTS 7.9%

Why You'll Like It: An organic city-builder that captures the aesthetic and slow-paced growth of a medieval settlement.

Ancestors Legacy is a squad-based real time strategy with a strong focus on tactics. Inspired by medieval European history, it brings to life four different nations and their conflicts, usually solved by war.

Why similar: Medieval 24.8%, Historical 24.1%, RTS 20%, War 9.1%, Strategy 8.8%

Why You'll Like It: A squad-based RTS that emphasizes tactical positioning and historical medieval combat rather than just base building.

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.

Why similar: Medieval 33.1%, Historical 24.3%, RTS 22.8%, Strategy 12.1%, Simulation 7.7%

Why You'll Like It: Provides a grand strategy perspective on medieval warfare with real-time tactical battles that feel grand in scale.

Choose any real region from the world. Choose your base of operations, then rebuild and readapt the buildings around you to create a self-sustaining settlement. Take charge of a group of survivors from your city. And when the night falls - Defend the zone from the infected!

Why similar: Zombies 26.4%, Base Building 25.5%, Colony Sim 23.1%, RTS 11.2%, Survival 6.3%

Why You'll Like It: A modern-day base-building survival game that uses real-world maps to challenge your ability to defend against zombie hordes.

Enemies are coming! Every decision matters: build your city, grow the economy, and prepare for enemy waves. Strengthen your defenses, adapt your strategy, and unleash your hero’s full potential. This unique Tower Defense will test your skills – are you worthy to claim a place at Valhalla?

Why similar: Base Building 22.7%, Tower Defense 19.3%, Medieval 12.7%, Resource Management 12.7%, RTS 10.7%

Why You'll Like It: A tower defense game with dark fantasy elements that requires strategic placement of units to survive incoming waves.

Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.

Why similar: Tower Defense 33.7%, RTS 31.4%, Strategy 15%, Real-Time with Pause 10.4% ★, Tactical 9.6%

Why You'll Like It: Focuses on tactical RTS combat against massive, overwhelming swarms of enemies, mirroring the scale of the seed game's battles.

Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.

Why similar: Base Building 16.3%, Action RTS 14.4% ★, Medieval 13.6%, Resource Management 13.2%, RTS 12.1%

Why You'll Like It: A simplified RTS experience that focuses on the core loop of base building and defending against waves of enemies.

Diplomacy is Not an Option: Shareware is a free prequel to the original game. In a medieval fantasy world, you are to build settlements, raise huge armies, and defend against massive hordes of enemies. Learn how Ironbrow clan shaped the world's map the first time - if you survive, that is.

Why similar: Colony Sim 24.4%, Base Building 13.1%, Action RTS 10.3% ★, RTS 10.2%, Tower Defense 10%

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!

Why similar: Colony Sim 22.3%, Historical 11.6%, Medieval 11.5%, Base Building 11.5%, Military 8.9%

Why You'll Like It: Introduces eastern-themed castle building and unique unit management to the classic Stronghold formula.

Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.

Why similar: Colony Sim 38.4%, Base Building 19.5%, Survival 11.2%, Strategy 7.5%, Simulation 6.5%

Why You'll Like It: While post-apocalyptic, it shares the core loop of managing a colony and defending it from external threats in a hostile world.

Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?

Why similar: Colony Sim 18.6%, Real-Time with Pause 16.8% ★, Action RTS 12% ★, Base Building 11.6%, Resource Management 9.8%

Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.

Why similar: RTS 45.4%, Base Building 20.3%, Strategy 12%, Action RTS 6.8% ★, Isometric 6%

Jump into a realtime strategy, action filled battlefield, deploy relentless soldiers, unlock powerful troops and vehicles, upgrade your army, decimate the enemy. If that's not enough, jump into a chaotic Zombie mode, with traps, fun upgrades, and a new gameplay!

Why similar: Action RTS 20.4% ★, Tower Defense 14.9%, Base Building 14.6%, War 12.3%, Historical 11.6%

Why You'll Like It: Focuses heavily on the defensive aspect of base management, requiring precise placement of towers to survive war-torn environments.

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…

Why similar: Action RTS 19.9% ★, Base Building 19.5%, Medieval 18.2%, RTS 15.1%, War 10.1%

Why You'll Like It: Combines grand strategy with real-time siege combat, focusing on the brutal reality of medieval warfare.

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.

Why similar: Colony Sim 29.7%, Historical 21.3%, Base Building 18.6%, Resource Management 15.7%, Survival 6.9%

As the kingdom's most promising pioneer, embark on a legendary journey to tame the frontier! Build thriving towns across various landscapes, fending off waves of diverse enemies until you establish a firm foothold and have explored everything the eye can see!

Why similar: Base Building 26.3%, Medieval 22.4%, Tower Defense 20.7%, RTS 17%, Resource Management 7.9%

Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!

Why similar: Base Building 19.6%, Tower Defense 16.8%, Resource Management 14.5%, RTS 13.5%, Tactical 8.6%

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.

Why similar: Colony Sim 23.5%, Medieval 13.3%, Base Building 12.9%, Military 9.4%, RTS 9.3%

Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.

Why similar: Colony Sim 37.1%, Base Building 19.6%, Resource Management 14.4%, Level Editor 13.9%, Survival 7.8%

An RTS-Roguelike hybrid with auto-battling troops. Master building placement, swarm your enemies, and smash their defenses with unit-commander combos!

Why similar: Base Building 21.4%, RTS 20.1%, Tower Defense 18.3%, Medieval 16.1%, Military 11.4%

Your village must survive for 13 days! Gather resources, expand, explore the underground for riches, and train soldiers to defend against hordes of the undead.

Why similar: Base Building 21.6%, Zombies 19.8%, Tower Defense 16.3%, RTS 12.5%, Survival 8.7%

Final Outpost is a survival strategy base-builder. You lead the last survivors of the apocalypse. Assign roles, craft tools, and manage resources carefully. Construct buildings, level up your citizens, and fortify your town against hordes of zombies. How many days can you survive?

Why similar: Colony Sim 19.6%, Zombies 14.8%, Base Building 14.4%, Resource Management 12.1%, RTS 8.4%

Artisan TD is a puzzle-oriented Tower Defense game where you must survive by building mazes.

Why similar: Tower Defense 41.1%, Difficult 25.8%, Tactical 21.3%, Strategy 11.7%

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!

Why similar: RTS 27.5%, Military 16.8%, Resource Management 15.5%, War 13.8%, Tactical 10.8%

Lead your Viking clan onto unknown shores and carve out a future for your people in the fjords of Frozenheim. Gather resources, expand, and watch your settlement grow to a bustling town that will withstand the harshness of winter and wrath of other clans.

Why similar: Colony Sim 28.4%, Resource Management 20.5%, Base Building 18.2%, Medieval 15%, War 11%

After Long Night is a sandbox survival RTS. Build and fortify your base, scavenge every corner for vital resources, craft deadly weapons, and raise a militia to fight off relentless zombie hordes that strike every night. In this world, scavenging isn't just survival—it's strategy, power and war.

Why similar: Colony Sim 23%, Zombies 16.9%, Base Building 14.2%, Resource Management 12.3%, RTS 11%

Brave a new world in Stranded: Alien Dawn, a planet survival sim placing the fate of a small marooned group in your hands. Forge your story through compelling and immersive strategic gameplay as you make vital decisions to protect your survivors.

Why similar: Base Building 32.3%, Colony Sim 31.8%, Survival 13.2%, Resource Management 12.3%, Strategy 5.3%

An intense real-time strategy game set in a dark fantasy world of Orcs, Elves and Dragons. Kingdom Wars 2 combines the best of Zombie survival and crafting with complex fast-paced city building. Fight massive siege battles that turn beautiful landscapes into gory blood-soaked battlefields.

Why similar: Colony Sim 18.8%, Action RTS 13.7% ★, Base Building 11.9%, Zombies 11.8%, Medieval 9.5%

The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

Why similar: Base Building 30.2%, Tower Defense 17.2%, RTS 14%, Resource Management 13%, Isometric 12.4%

The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.

Why similar: Colony Sim 25.1%, Base Building 14.4%, Medieval 13.6%, RTS 10.7%, Tower Defense 10.5%

Become a real medieval feudal lord: start with a small village and build it up into an enormous impenetrable castle. You will have to repel enemy raids: hide behind thick walls, lure your enemies into strategically placed traps, and even lead your loyal peasants into battle.

Why similar: Colony Sim 32.3%, Base Building 19%, Resource Management 16.8%, Medieval 15.9%, Survival 5.2%

Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!

Why similar: Resource Management 43.5%, Tower Defense 33.7%, Tactical 22.8%

Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.

Why similar: Colony Sim 28%, Base Building 16.7%, Resource Management 15.5%, Medieval 14.9%, RTS 12.1%

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.

Why similar: Colony Sim 28.6%, Base Building 27.1%, Survival 16.1%, Resource Management 10.9%, Strategy 8%

Patron is a survival city builder with a unique social dynamics system. Gather and produce resources, build your fledgling village into a prosperous city and navigate the intricate social tensions before they reach boiling point.

Why similar: Colony Sim 35.3%, Historical 12.5%, Medieval 12.4%, Base Building 11.9%, Resource Management 11.7%

Eyes of War is a real-time strategy game set in the medieval era, offering both single-player and multiplayer experiences where you can control every unit in character mode. Build your castle, lead your army, and dominate the map. Eyes of War invites you to epic battles of the medieval era!

Why similar: RTS 16%, Resource Management 14.6%, Base Building 14.4%, Medieval 12.5%, Historical 12.3%

Northgard: Definitive Edition is a critically acclaimed real-time 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!

Why similar: Colony Sim 23%, RTS 19.2%, Base Building 15.1%, Resource Management 11.4%, War 8.9%

From a small village of a dozen people to a small kingdom of thousands of people. Arrange for residents to work, gathering, fishing and hunting, farming and mining, processing and manufacturing. Trade, accumulate supplies, increase your strength, and fight evil forces and monsters.

Why similar: Colony Sim 21.8%, Base Building 18.9%, Resource Management 14.5%, RTS 10.5%, Military 10%

The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.

Why similar: Colony Sim 22.3%, Base Building 13.4%, Medieval 12.6%, Military 10.3%, War 8.9%

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?

Why similar: Historical 36.2%, War 19.4%, Military 17.7%, Tactical 14.1%, Strategy 6.6%

A brutal godlike village sim that melds the god game, management, and tower defense genres! Fight off hoards of monsters at night, and expand your village in the day time. Inspired by games like Black and White, Rimworld, and Dwarf Fortress but not quite like any of them.

Why similar: Colony Sim 40.6%, Tower Defense 17.9%, Base Building 16%, Survival 7.4%, Resource Management 7.2%