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

Colony Survival
Single-player alternative to Settletopia — playable solo, no multiplayer required. Shares Strategy with Settletopia.
Colony Survival is a unique first-person strategy game developed by a two-man team. Build your own colony in a voxel world. Command guards, farmers, miners and other colonists. Defend your colony against the horde of monsters that attacks every night!
- 2

Castle Story
Single-player alternative to Settletopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Settletopia.
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
- 3

CryoFall
Single-player alternative to Settletopia — playable solo, no multiplayer required. Shares Strategy with Settletopia.
CryoFall is a sci-fi colony simulation survival game set on a forgotten planet in a distant future. Master technology, agriculture, trading, industry, cybernetics, exploration, and more!
- 4

Sapiens
Single-player alternative to Settletopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Settletopia.
Create your own prehistoric civilization and lead your tribe in a world you shape. Start with nothing, build towns and industry, and advance through thousands of years of technological breakthroughs in this intimate yet expansive colony sim.
- 5

Dwarf Fortress
Single-player alternative to Settletopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Settletopia.
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
- 6

Judgment: Apocalypse Survival Simulation
Single-player alternative to Settletopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Settletopia.
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
- 7

RimWorld
Single-player alternative to Settletopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Settletopia.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 8

Against the Storm
Single-player alternative to Settletopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Settletopia.
A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.