Single-player games like United Penguin Kingdom
Below are 16 single-player Steam games similar to United Penguin Kingdom, 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 United Penguin Kingdom page.
Ranked picks
- 1

United Penguin Kingdom: Huddle up
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
This free version of the United Penguin Kingdom covers the content from one year of in-game time. A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales.
- 2

Oxygen
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
Oxygen is a survival city builder. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and more importantly keep the Oxygen Center running!
- 3

Synergy
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
An ecosystem City Builder in a unique world. Build your settlement, manage your workers and optimize your resources. Analyzing your environment, spreading new plants, and harvesting them are key to prosperity.
- 4

Settlements Rising
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
Settlements Rising is a medieval city building and colony management game. It offers a lively colony experience with simulated villagers, dozens of professions and resources, natural disasters, and raids, while providing full control over the colony through trade, production chains and datas.
- 5

Banished
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
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.
- 6

Let's Build a Zoo
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Simulation with United Penguin Kingdom.
It's time to Build a Zoo! Construct and decorate enclosures, buy and breed animals, hire zookeepers and vets... then try your hand at DNA splicing, and stitch together over 300,000 different types of animal. This can only go smoothly...
- 7

Patron
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Simulation with United Penguin Kingdom.
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.
- 8

Seeds of Resilience
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
Ready to start anew? Build a village from scratch in Seeds of Resilience. Learn to choose the right items, understand nature's patterns, use real life-based constructions and craft techniques in this turn-based tycoon game.
- 9

SimCity™ 4 Deluxe Edition
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Simulation with United Penguin Kingdom.
SimCity 4 Deluxe Edition includes the bestselling SimCity 4 and the all-new SimCity 4 Rush Hour Expansion Pack. Create the most massive region of cities ever, with a farming town, bedroom community, high-tech commercial center, and industrial backbone.
- 10

Timberborn
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
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.
- 11

Toy Tinker Simulator
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Indie and Simulation with United Penguin Kingdom.
Have you ever wanted to be a toy tinker? This is a unique chance to become one! Repair toys and start your toy-museums to make everyone happy!
- 12

Smart Factory Tycoon
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
Smart Factory Tycoon inspired by Little Big Workshop is a tycoon management game about running your dream factory with robots. Design your dream factory, plan all steps of production, research new technologies and become a tycoon!
- 13

Animal Rescuer
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Indie with United Penguin Kingdom.
Animal Rescuer is helping lovely animals through exploring an epic world with faster gameplay and increased quest and combat intensity.
- 14

Toy Tinker Simulator: BETA
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Indie and Simulation with United Penguin Kingdom.
Have you ever wanted to be a toy tinker? Here you can take the first step to become one! This is a tiny portion of Toy Tinker Simulator, which includes only ten toys.
- 15

Smart Factory Tycoon: Beginnings
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
This is a free version of Smart Factory Tycoon, a game inspired by Little Big Workshop introducing the first productions. Smart Factory Tycoon is a tycoon management game where you design your dream factory with robots, plan all steps of production, research new technologies and become a tycoon!
- 16

Oxygen: First Breath
Single-player alternative to United Penguin Kingdom — playable solo, no multiplayer required. Shares Strategy and Indie with United Penguin Kingdom.
This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running!