Top similar games like Siege of Irdor:

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.

Build towers, manage resources, and lead units to defend your kingdom against goblins. Every decision you make determines your kingdom's fate.

Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?

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.

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?

Faraway Lands: Rise of Yokai is an immersive base-building survival strategy game set in mystical Feudal Japan. Build and fortify your town, gather resources, explore new lands, trade with other cities and defend your town against the risen Yokai threat!

Age of Respair is a medieval strategy castle-builder. Build massive castles with fortifications while managing resources and production chains. Assemble a large army and lay siege to enemy castles. Lead your people and bring respair to your kingdom🏰⚔️

Choose between 4 factions and wage war against your enemies in this real-time strategy game. Insect Empires is a cartoon style Isometric real-time strategy game about colony type insects. Choose your faction and wage war against any foe!

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.

Night is Coming is a survival, building and development simulation set in a fantasy world. It is inspired by Slavic mythology and the mystique of the Carpathian region. Build your settlement, nurture and protect your people, prepare for impending Darkness... And eventually save the world!

IT HAS GONE ROGUE You are sent to an hostile Space-Station with the mission to stop an AI-Super-Computer that has gone rogue!

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.

KOF is a magic background real-time strategy game, which is based on the method of dispatching troops to occupy the city, and combines the elements of resource collection, construction, upgrading, tower defense and so on.

A 2D Strategic Base Defender game set in Medieval times. As relentless Waves of enemy forces threaten your Stronghold, you must gather Resources, Fortify your Defenses and lead your Rebellion. Prepare to strengthen your Base and manage your Resources. But beaware of the Storms!

Becastled is about building and defending your castle from sieges in a fantasy world!

Depraved is a city builder game with survival aspects, settled in the Wild West. Build towns and establish important outposts to supply your residents with food and other raw materials. Resist the seasons, dangerous animals, and bandits and conquer the Wild West.

Seven Wonders is an ancient city-building game. It brings you back to ancient times, where you have to build the seven wonders of the ancient world. You have to manage resources and labor to build the wonders.

Of Life and Land is a charming settlement-building strategy game paired with a rich simulation experience. Every animal and plant strives to find its place in nature while you lead your villagers to their future. Expand to different regions and trade with local factions to gain needed resources.

This is a strategy game against artificial intelligence, in the style of science fiction

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.

Tokeis is a board-like real-time city builder about growing your town from a tiny tile to a hexagonal empire. Collect tokens, manage resources, reorganize inefficiencies, and fortify your economy. Handle the harsh weather and defend against raiders trying to steal your riches!

Kingdom's Deck is a card-based city-builder where you build and protect your Kingdom from the enemy siege. Build your deck, deploy your cards wisely, defend your walls, manage your resources, respond to various events that will shape your city, and create the ultimate Kingdom's deck!

Protect your cities against waves of enemies. Manage your resources and plan accordingly to develop your city and armies to survive!

Angkor: The Holy City is a unique village-builder game about growing a thriving town under the all-seeing eyes of the Gods. Construct intricate temples to honor them and research technologies to counter their wrath, all while expanding your village and contending with an ever-growing population.

A strategic city-building game set in a fantasy universe that allows you to create your own fantastical civilization. Define your architectural style using a building editor, customize your people, manage your city, and restore the past glory of your civilization!

Immerse yourself in "The First Settlement VR," a medieval city-building simulation. Construct unique buildings, manage production chains, and trade with neighboring towns. Experience the evolving economy and culture through your strategic decisions. Witness the impact of your actions in VR.

Return to the era of knights and castles in a uniquely satisfying mix of Settlement Building, RTS and Castle Simulation genres. Manage complex and realistic medieval production chains, build your army and defences, satisfy the King and lead your people to prosperity. Will you succeed as a new lord?

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!

Darfall: Prolgue is a strategy survival city-builder with RPG elements. You lead your hero with a band of warriors to defend your settlement, explore the corrupted land and craft new items. Expand your settlement and defeat the darkness coming from everywhere.

Randoville is a medieval chill-builder where everything is decided by your luck! Will you get a shabby hut or a gorgeous palace? Throw D20 and find out!