Single-player games like Reshaping Mars
Below are 14 single-player Steam games similar to Reshaping Mars, 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 Reshaping Mars page.
Ranked picks
- 1

Surviving Mars
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Simulation with Reshaping Mars.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 2

Advisors at the End of the Universe
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Indie with Reshaping Mars.
AEU is a fast paced realtime strategy and 4x hybrid. Players influence their empire to grow, fight, forge alliances or engage in trade. Players are given control over the empire's traits, research and a set of three types of abilities(Construction, Plagues and Agents) to accomplish their goals.
- 3

Workers & Resources: Soviet Republic
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Simulation with Reshaping Mars.
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

Farthest Frontier
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Indie with Reshaping Mars.
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
- 5

Empires of the Undergrowth
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Simulation with Reshaping Mars.
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.
- 6

Northgard: Definitive Edition
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Indie with Reshaping Mars.
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!
- 7

Stellar Settlers: Space Base Builder
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Indie with Reshaping Mars.
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
- 8

Farlanders
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Indie with Reshaping Mars.
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
- 9

SimCity™ 4 Deluxe Edition
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Simulation with Reshaping Mars.
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

RimWorld
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Indie with Reshaping Mars.
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.
- 11

Factorio
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Strategy and Indie with Reshaping Mars.
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
- 12

MECHIEVAL
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required.
The twilight of the plague-ravaged Middle Ages. Pilot a five-story-high mech, unleashing torrents of ammunition, dancing with magic, and hunting the demons spreading pestilence in this frenzied top-down shooter.
- 13

Typing Break
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required. Shares Indie with Reshaping Mars.
If you can type, you can fire a gun.
- 14

Rock Diver
Single-player alternative to Reshaping Mars — playable solo, no multiplayer required.
Land, mine, fill your pack, and head back to your ship. Become a Rock Diver in this incremental adventure as you travel across alien worlds, extract valuable minerals, upgrade your gear, and greet the locals along the way.