Single-player games like Autocraft
Below are 19 single-player Steam games similar to Autocraft, 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 Autocraft page.
Ranked picks
- 1

Archean
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
- 2

Kerbal Space Program
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
- 3

Spaceflight Simulator
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
- 4

Starship EVO
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
- 5

StarMade
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie with Autocraft.
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
- 6

Dyson Sphere Program
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
- 7

Scrap Mechanic
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
- 8

Stardew Valley
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
You've inherited your grandfather's old farm plot in Stardew Valley. Armed with hand-me-down tools and a few coins, you set out to begin your new life. Can you learn to live off the land and turn these overgrown fields into a thriving home?
- 9

TerraTech
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie with Autocraft.
TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.
- 10

Trailmakers
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.
- 11

Besiege
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!
- 12

Wytchwood
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Casual with Autocraft.
Wytchwood is a crafting adventure game set in a land of gothic fables and fairytales. As the old witch of the woods, explore a strange countryside, collect magic ingredients, brew sorcerous spells, and pass judgement upon a capricious cast of characters.
- 13

Apotheon
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie with Autocraft.
Apotheon is a heroic action game set within the vibrant world of Ancient Greek Mythology. Ascend Mount Olympus, wrestle the divine powers from the Pantheon of Gods, and save mankind.
- 14

CRYPTARK
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie with Autocraft.
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
- 15

Capsized
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie with Autocraft.
Capsized is a fast paced 2D platformer focused on intense action and exploration. As a intrepid space traveler, your ship has crash landed on a mysterious alien planet. You must navigate through the perilous environment and fight off blood-thirsty creatures to save your crewmates and escape with your lives!
- 16

DuneCrawl
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie with Autocraft.
DuneCrawl is an open world action-adventure game, where you take to the sandy seas atop a gigantic crustacean festooned with black powder cannons. Play as a solo Crab Keeper, or with a crew of up to three other friends in local and online coop.
- 17

Maximum Override
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
Maximum Override is a chaotic city destruction game where the machines come alive. Wreak havoc in a fully destructible randomly generated city with anything you can find.
- 18

Modbox
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie and Simulation with Autocraft.
Modbox is a multiplayer game creation sandbox for Desktop+VR
- 19

GUNHEAD
Single-player alternative to Autocraft — playable solo, no multiplayer required. Shares Indie with Autocraft.
Gunhead is a fast paced strategic roguelike FPS where you take the role of a pirate mech with a gun for a head, looting derelict spaceships filled with monstrous drones made out of bone and steel. Sequel to the 2d roguelite Cryptark.