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

Microcivilization
Single-player alternative to SimPocalypse — playable solo, no multiplayer required. Shares Strategy and Indie with SimPocalypse.
Incremental clicker strategy, where you expand, construct, research, fight, collect heroes and make choices between good and evil. Ascend through difficulty tiers by playing through challenge campaign going back and forth through history. Mammoths included.
- 2

Rebuild 3: Gangs of Deadsville
Single-player alternative to SimPocalypse — playable solo, no multiplayer required. Shares Strategy and Indie with SimPocalypse.
Rebuild a ruined city in this post-apocalyptic mix of strategy and simulation. Manage survivors, scavenge for food and supplies, deal with rival gangs, illness, interpersonal strife and zombie attacks.
- 3

Workers & Resources: Soviet Republic
Single-player alternative to SimPocalypse — playable solo, no multiplayer required. Shares Strategy and Simulation with SimPocalypse.
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.
- 4

Frostpunk
Single-player alternative to SimPocalypse — playable solo, no multiplayer required. Shares Strategy and Simulation with SimPocalypse.
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
- 5

Per Aspera
Single-player alternative to SimPocalypse — playable solo, no multiplayer required. Shares Strategy and Indie with SimPocalypse.
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
- 6

Factory Town Idle
Single-player alternative to SimPocalypse — playable solo, no multiplayer required. Shares Indie and Simulation with SimPocalypse.
An entire town builder experience packed into a living spreadsheet. Build housing, assign workers, then craft and sell a huge variety of items to level up your town and expand your civilization across the world!
- 7

Northgard: Definitive Edition
Single-player alternative to SimPocalypse — playable solo, no multiplayer required. Shares Strategy and Indie with SimPocalypse.
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!
- 8

Empires of the Undergrowth
Single-player alternative to SimPocalypse — playable solo, no multiplayer required. Shares Strategy and Simulation with SimPocalypse.
Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.