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

Cloudlings
Single-player alternative to Populus — playable solo, no multiplayer required. Shares Indie and Simulation with Populus.
Cloudlings is a cute colony sim set amongst the clouds. Guide a small tribe of curious creatures as they build a floating village, merge drifting islands, manage resources, unlock upgrades, and uncover the mysteries hiding beyond the clouds.
- 2

The HELL
Single-player alternative to Populus — playable solo, no multiplayer required. Shares Simulation and Early Access with Populus.
Take up the role of the Hell Governor and embrace the challenge of welcoming souls who perished in major, historically real human disaster. Build your city, manage your resources while defending the chaos from demons who steal and kill your folks....and also that GIANT TITAN lurking around.
- 3

Tides of Tethys
Single-player alternative to Populus — playable solo, no multiplayer required. Shares Indie and Simulation with Populus.
Tides of Tethys: Dive, Build, Survive. A tactical exploration building game where you explore the uncharted depths of Tethys; scavenging lost technologies, to survive the dangers of the abyss. As the Overseer, lead expeditions of Knights through the unknown, and help them rebuild their lost Kingdom.
- 4

Ant Colony: Wild Forest
Single-player alternative to Populus — playable solo, no multiplayer required. Shares Indie and Simulation with Populus.
You play as an ant queen, growing an ant colony. Ants cannot be controlled directly. But you can spawn needed types of ants; upgrade them; make raids and most importantly - dig and build a dungeon! The goal of each location is to destroy all enemy bases. If the queen dies - the game ends.
- 5

Logistik
Single-player alternative to Populus — playable solo, no multiplayer required. Shares Indie and Simulation with Populus.
Build, schedule, and optimize your rail network, with every track reshaping the world. Balance fuel costs, adapt to the terrain, and fulfill demands. Elevate Trains to the ultimate means of transport!
- 6

IDLE BOSS RUSH
Single-player alternative to Populus — playable solo, no multiplayer required. Shares Indie and Simulation with Populus.
Slay giant bosses and turn the hollow wasteland into the almighty kingdom! Endlessly rewarding incremental game where you collect fountains of rare loot, unleash crazy combos and watch the monsters fall under your knees. Boss Rush that keeps on going when you're gone!
- 7

Noble Legacy
Single-player alternative to Populus — playable solo, no multiplayer required. Shares Simulation and Early Access with Populus.
Noble Legacy is a medieval city-builder in which you rule the lands as a Noble. Build your kingdom, manage your people, defend your realm, and master a deep economy, alone or with friends in co-op, every decision is yours. What kind of ruler will you be?
- 8

WorldBox - God Simulator
Single-player alternative to Populus — playable solo, no multiplayer required. Shares Indie and Simulation with Populus.
WorldBox is the ULTIMATE god simulator and sandbox game. A petri dish for your fantasy civilizations. Create your own world or destroy it using many powers. Watch civilizations grow, form kingdoms, colonize new lands, sail to far continents, wars to ignite, empires to fall and towns to burn!