Single-player games like Stacks:Space!
Below are 14 single-player Steam games similar to Stacks:Space!, 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 Stacks:Space! page.
Ranked picks
- 1
Star Boss
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
Make robots and spaceships,explore the space,fight with aliens.
- 2
Hexfactory
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.
- 3
Surviving Mars
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Simulation with Stacks:Space!.
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.
- 4
ExoColony: Planet Survival
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
Challenging space-colony sim. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply. Maintain a breathable atmosphere, tackle pollution, and refine materials to build essential structures. Terraform planet and build ecosystem to make it your new home.
- 5
Venusville - Prologue
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
Guide a robotic mission in Venus’s polar clouds in this space colonisation city builder. Collect energy, mine resources, balance buoyancy to stay afloat, in the treacherous Venusian atmosphere, and build a self-sufficient base while navigating storms and acid clouds to hunt mysterious anomalies.
- 6
Rebots
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
Rebots is a first-person automation game with an expansive universe to explore. Using intelligent(ish) rebots, you can gather resources, terraform planets, and scan all of the things. Traverse the galaxy in the name of space capitalism!
- 7
The Final Earth 2
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?
- 8
Space Haven
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
- 9
Factorio
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
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.
- 10
Slay the Spire
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie with Stacks:Space!.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
- 11
Cultist Simulator
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
Seize forbidden treasures. Summon alien gods. Feed on your disciples. Cultist Simulator is a game of apocalypse and yearning. Play as a seeker after unholy mysteries, in a 1920s-themed setting of hidden gods and secret histories.
- 12
Monster Train
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required.
Monster Train is a strategic roguelike deck building game with a twist. Set on a train to hell, you’ll use tactical decision making to defend multiple vertical battlegrounds. With real time competitive multiplayer and endless replayability, Monster Train is always on time.
- 13
Stacklands
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Simulation with Stacks:Space!.
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!
- 14
Stacks:Jungle!
Single-player alternative to Stacks:Space! — playable solo, no multiplayer required. Shares Indie and Free To Play with Stacks:Space!.
Stacks:Jungle is an engaging adventure card game set in the lush heart of the jungle. Unlock new cards with booster packs, combine them to uncover craft recipes, build amazing structures, venture into uncharted territories, make new friends, discover hidden treasures, and so much more!