Single-player games like Sumerians
Below are 11 single-player Steam games similar to Sumerians, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Sumerians page.
Ranked picks
- 1

Nebuchadnezzar
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
Create and customize cities in Nebuchadnezzar, a classic isometric city-builder where careful planning and define your rise as a ruler in ancient Mesopotamia.
- 2

Children of the Nile: Enhanced Edition
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
Children of the Nile™ is a unique gem of a city-building game, unparalleled in both grandeur and attention to detail.As Pharaoh you will guide your people through thousands of years of history: from simple hunter-gatherers to the creation of an immortal civilization.
- 3

Tlatoani: Aztec Cities
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
Give rise to wonders of the Aztec Civilization as you build your own magnificent metropolis in this ancient city builder. From humble beginnings build, trade, manage and conquer to become Tlatoani (Emperor).
- 4

Ostriv
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
Ostriv is a city-building game that puts you in a role of a governor of an 18th century Ukrainian town to challenge your creative skills and management abilities.
- 5

Cataclismo
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
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.
- 6

Land of the Vikings
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy with Sumerians.
Land of the Vikings is a survival colony sim game. Build and lead your village, and expand it into a thriving city. A wise Jarl must manage resources, survive harsh conditions, and guide their fellow Vikings to work together through social conflict. Skál!
- 7

Foundation
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.
- 8

Pompeii: The Legacy
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
Rebuild Pompeii from the ashes and lead it through centuries of politics, intrigue, and survival. Shape laws, expand trade across the Empire, guide your city through disasters, and command legions in optional real-time battles. Your legacy begins now.
- 9

CivCity: Rome
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy with Sumerians.
CivCity: Rome, an innovative city builder inspired by the world of Sid Meiers Civilization, and created by a collaboration between Firefly Studios and Firaxis Games, invites players to shift focus from building a multi-city empire and zoom-in on the great cities of the Roman Empire, culminating in Rome itself!
- 10

Banished
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
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.
- 11

Cities: Skylines
Single-player alternative to Sumerians — playable solo, no multiplayer required. Shares Strategy and Simulation with Sumerians.
Cities: Skylines is a modern take on the classic city simulation. The game introduces new game play elements to realize the thrill and hardships of creating and maintaining a real city whilst expanding on some well-established tropes of the city building experience.