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

Tropico Reloaded
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Simulation with Uniseas.
TROPICO RELOADED is the ultimate game compilation for hobby-dictators and those dreaming of their own Caribbean island. Tropico combines real-time strategy and simulation elements with a healthy dose of political intrigue and Caribbean flair to create a unique and critically acclaimed game experience.
- 2

Deep Space Outpost
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Indie with Uniseas.
Deep Space Outpost is a space station building & survival game, involving resource and base management. Build your space station tile by tile, mine asteroids, refine materials and keep your station operational.
- 3

Void Destroyer 2
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Indie with Uniseas.
Start with nothing... End with everything! All you have is a basic ship, barely fit for combat, with it you'll start your journey and empire. A open world space sandbox, inspired by and expanding the classics.
- 4

Pixel Survivors
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Indie with Uniseas.
Pixel Survivors is a god management game. Create some land and build structures to keep your small society settled. See how long you can keep your village alive!
- 5

Port Royale 4
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Simulation with Uniseas.
Set sail and join the colonial powers of Spain, England, France and the Netherlands in their fight for supremacy of the Caribbean in the 17th century.
- 6

Buoyancy
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Indie with Uniseas.
Buoyancy is a city-building strategy game where you build, manage, and move a floating city on an oceanic world. Explore and scavenge resources scattered around the endless waters. Keep your villagers nourished and happy while combating fires, sickness, and pirate attacks.
- 7

Sins of a Solar Empire®: Rebellion
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Indie with Uniseas.
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
- 8

112 Operator
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Indie with Uniseas.
Manage emergency services in any city in the world! Take calls and dispatch rescue forces. Handle difficult situations, now depending on the weather, and traffic. Help the citizens through cataclysms and natural disasters, becoming a better emergency number operator every day!
- 9

Stacklands
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Indie and Simulation with Uniseas.
Stacklands is a village builder where you stack cards to collect food, build structures, and fight creatures. 🃏 For example, dragging a Villager card on top of a Berry Bush card will spawn Berry cards which the villagers can eat to survive. 🃏 Play your cards right and expand your village!
- 10

Simmiland
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Indie and Simulation with Uniseas.
Simmiland is a god-like card game. In this game you indirectly influence a small civilization by manipulating their surroundings by playing cards 🃏🃏🃏 Playing cards on different biomes and objects will result in different findings. The way you play the game will define how mankind will develop!
- 11

Grunn
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Indie and Simulation with Uniseas.
A gardener gets hired for maintenance work over the weekend. A simple task, but strangely some tools are missing… The owner of the garden isn't around, and their house is off-limits. Perhaps new tools can be found in the mysterious town, or maybe some of the reserved townsfolk have seen them?
- 12

pyramida
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Indie with Uniseas.
A village builder / survival game. Expand your village by day and fight monsters at night. Learn how to survive, and try to prevent your imminent demise . . .
- 13

clickyland
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy with Uniseas.
clickyland is a tower defense village builder where clicks are your main resource. Use clicks to harvest resources, fight enemies and manage your village, but use them wisely as you only get 20 clicks every day! Can you reach day 100?
- 14

fishy
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Indie with Uniseas.
A game about a hungry fish 🐟 Eat to grow bigger, but watch out for fishes bigger than you! Grow big, strong and explore! Can you escape the pond?
- 15

White Lavender
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Indie with Uniseas.
A challenging adventure game with RPG-elements. Be a bug, fight other critters with swords and magic, collect powerful items such as pencils and teaspoons, meet cool characters, and up your fashion game on a journey to brew a special tea!
- 16

Luckitown
Single-player alternative to Uniseas — playable solo, no multiplayer required. Shares Strategy and Indie with Uniseas.
Luckitown is a turn-based tower defense where you roll dice to build new structures and cast spells to defend your town.