Single-player games like Oikizo
Below are 8 single-player Steam games similar to Oikizo, 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 Oikizo page.
Ranked picks
- 1

Kingdoms in Arms
Single-player alternative to Oikizo — playable solo, no multiplayer required. Shares Strategy with Oikizo.
Kingdoms in Arms is a strategy game where you build and manage your kingdom. Build cities, outposts and military camps to conquer the whole island. Besiege your enemies castles and bring down their walls with your siege engines like catapults and trebuchets. Control your armies in real time.
- 2

Ulia Chronicles
Single-player alternative to Oikizo — playable solo, no multiplayer required. Shares Strategy with Oikizo.
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.
- 3

The First Explorers®
Single-player alternative to Oikizo — playable solo, no multiplayer required. Shares Strategy and Early Access with Oikizo.
The First Explorers® is a settlers-like game, that offers the perfect mix of organic city-building and RTS in a bustling world. Set in the time of antiquity in Europe, you will play as the Romans, Carthaginians or Gauls. Are you ready to raise an army backed by a thriving economy?
- 4

The Scouring
Single-player alternative to Oikizo — playable solo, no multiplayer required. Shares Strategy and Early Access with Oikizo.
The Scouring is an RTS with fast pace, high attention to detail and next generation experience. Lead humans or orcs in a Classic Mode or use one of powerful Heroes to fight for victory! Play alone or with friends. Use our modding tools to create maps and custom game modes! Join The Scouring!
- 5

Pioneers of Pagonia
Single-player alternative to Oikizo — playable solo, no multiplayer required. Shares Strategy with Oikizo.
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.
- 6

Humanica
Single-player alternative to Oikizo — playable solo, no multiplayer required. Shares Strategy and Early Access with Oikizo.
Humanica is a city-builder game about an ancient settlement, featuring vast technological development. Experience the journey from sticks and stones to iron tools and windmills!
- 7

Here Comes The Swarm
Single-player alternative to Oikizo — playable solo, no multiplayer required. Shares Strategy and Early Access with Oikizo.
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?
- 8

Northgard: Definitive Edition
Single-player alternative to Oikizo — playable solo, no multiplayer required. Shares Strategy with Oikizo.
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!