Top similar games like Diplomacy is Not an Option:

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.

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.

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.

In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland. The townspeople of Banished are your primary resource.

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?

From the plains in the Pampas to the most hostile places in the untamed Patagonia: Manage your own frontier fort or native settlement, build new structures, train soldiers, and survive relentless attacks from the enemy.

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.

God Save Us is a Real-Time Strategy Game where you can switch from top view to first person view instantly to protect your village from incoming waves of attacks.

In this Procedural City-Building and Survival game, you must manage your resources, expand your village, assemble an army and destroy the source of evil, which changed the entire eco system of a land that was once prosperous and peaceful.

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

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

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!

Humanica - is a simulation game of an ancient settlement, featuring a vast technology development. Experience the journey from sticks and stones to iron tools and windmills! Survive, investigate, build, trade, discover!

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.

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.

Ulia Chronicles is a city-building game set in a fantasy universe. Build your city, gather resources, and make your citizens thrive. Play alone or with your friends in this game inspired by the classics of the genre.

Earth of Oryn is an indie city-builder/strategy game set in a medieval world filled with story and heart. Starting from nothing, shape your kingdom according to your vision while managing the needs and wants of your people.

Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.

At the northern fringes of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!

Gold makes god. Embrace city-building chaos. Pet giant monsters! Watch puny adventurers! Bend nature to your will with powerful spells and the greatest of all forces of nature - GOLD. Colony sim / reverse RPG

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.

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.

Everlords is a small strategy-god game where you build the map as you play. Place resources, create choke points, defend your base, and try to destroy your enemies.

Lead your kingdom to victory! By day, you build and prepare your kingdom for impending threats. But every night, you must defend your kingdom against hordes of monsters, by commanding soldiers, building turrets, and fighting on the battleground yourself.

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!

A citybuilder inspired by classics such as Ceasar III, Anno, Pharaoh and others which takes place the bottom of the ocean. The surface has become uninhabitable and raybomb radiation has turned many into mutants. It is your job to set up your underwater empire and guide new humanity to greatness!

Gather resources and strategically build up your Viking settlement by day, fortifying it to withstand the relentless onslaught of skeletons by night

Eversiege is a roguelike, tower defense in which you'll defend a castle in procedurally generated terrain. Establish a production, build defending buildings and survive waves of enemies coming from everywhere! After defeat, buy new buildings, unlock new leaders and prepare to fight again.

Astra Sentinel is a real-time strategy game in which you must defend planetary systems from endless hordes of aliens. Reconquer planets, build on their surface and prepare to counterattack. Will you be able to recover the control of the galaxy?

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.

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!