Single-player games like Zapp
Below are 8 single-player Steam games similar to Zapp, 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 Zapp page.
Ranked picks
- 1
The Last Caretaker
Single-player alternative to Zapp — playable solo, no multiplayer required. Shares Indie and Adventure with Zapp.
Explore a drowned Earth, restore lost systems, and raise the last human seeds in this first-person survival-crafting adventure. Build, scavenge, defend, and launch humanity back to the stars.
- 2
Steel Artery: Train City Builder
Single-player alternative to Zapp — playable solo, no multiplayer required. Shares Indie and Simulation with Zapp.
Build a living city on rails in this steampunk fantasy train-city builder. Manage multiracial colonies with thousands of autonomous citizens, balance their needs, manage the economy, and create logistics as you explore distant regions to ensure the prosperity of your Empire.
- 3
My Drug Cartel
Single-player alternative to Zapp — playable solo, no multiplayer required. Shares Simulation and Early Access with Zapp.
A drug plantation management game with basebuilding, strategy and combat elements. Expand your plantation, hire workers, and plan new smuggling routes. But be ready to face a heavy response by law enforcement by hiring guards, buying weapons and building defences.
- 4
Brave New Wonders
Single-player alternative to Zapp — playable solo, no multiplayer required. Shares Indie and Simulation with Zapp.
Command a tribe of intelligent automatons that can interpret ANY customized instruction you give in Brave New Wonders, a factory automation adventure. Pioneer a post-apocalyptic world, explore ruins from the past & discover a mysterious reality as you make your automated factories thrive!
- 5
Ecliptica
Single-player alternative to Zapp — playable solo, no multiplayer required. Shares Indie and Adventure with Zapp.
Ecliptica is a first-person open-world colony survival simulator with a fully dynamic economy. Set on a hostile alien planet, you'll found corporations, fight for resources, and build a sustainable future—or be wiped out by ruthless nature, politics, and competition.
- 6
Wanderers' Outpost
Single-player alternative to Zapp — playable solo, no multiplayer required. Shares Simulation and Early Access with Zapp.
A colony sim where dungeons sprout from the ground like mushrooms, but you're not the hero. You sell shovels to adventurers, send them to almost certain death, tax whatever loot they bring back, patch them up, then happily charge them for everything they need to do it all over again.
- 7
Quiet Bruise
Single-player alternative to Zapp — playable solo, no multiplayer required. Shares Indie and Simulation with Zapp.
Play as dumb plushies trying to keep a collapsing factory alive in this tower defence factory automation game. Build chaotic production lines, fight off hordes of cats and crocs, survive your own terrible decisions and keep the factory running.
- 8
Blossom: The Seed of Life
Single-player alternative to Zapp — playable solo, no multiplayer required. Shares Indie and Adventure with Zapp.
Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.