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

Raft
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Indie and Adventure with Scrap Mechanic.
Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!
- 2

Satisfactory
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Indie and Adventure with Scrap Mechanic.
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
- 3

ASTRONEER
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Indie and Adventure with Scrap Mechanic.
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
- 4

Voidtrain
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action and Indie with Scrap Mechanic.
Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.
- 5

ARK: Survival Evolved
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action and Indie with Scrap Mechanic.
Stranded on the shores of a mysterious island, you must learn to survive. Use your cunning to kill or tame the primeval creatures roaming the land, and encounter other players to survive, dominate... and escape!
- 6

The Forest
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action and Indie with Scrap Mechanic.
As the lone survivor of a passenger jet crash, you find yourself in a mysterious forest battling to stay alive against a society of cannibalistic mutants. Build, explore, survive in this terrifying first person survival horror simulator.
- 7

Green Hell
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action and Indie with Scrap Mechanic.
Plunge into the open-world survival simulation set in the extreme conditions of the uncharted Amazon jungle. Use real-life survival techniques to craft, hunt, fight, and gather resources, set a makeshift shelter, or raise a fortress. Survive alone or team up with your friends and challenge the jungle together.
- 8

Sons Of The Forest
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action and Indie with Scrap Mechanic.
Sent to find a missing billionaire on a remote island, you find yourself in a cannibal-infested hellscape. Craft, build, and struggle to survive, alone or with friends, in this terrifying new open-world survival horror simulator.
- 9

Trailmakers
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action and Indie with Scrap Mechanic.
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.
- 10

Minecraft: Story Mode - A Telltale Games Series
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Adventure with Scrap Mechanic.
Episode 1 is now FREE - for a limited time! In Minecraft: Story Mode, playing as either a male or female hero named 'Jesse,' you’ll embark on a perilous adventure across the Overworld, through the Nether, to the End, and beyond.
- 11

Factorio
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Indie and Simulation with Scrap Mechanic.
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

Canon - Legend of the New Gods
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action with Scrap Mechanic.
Originally called Feng Shen Ying Jie Chuan, Canon - Legends of the New Gods is a strategy RPG originally for the Sega Genesis and Mega Drive consoles.
- 13

Space Engineers
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action and Indie with Scrap Mechanic.
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
- 14

Teardown
Single-player alternative to Scrap Mechanic — playable solo, no multiplayer required. Shares Action and Indie with Scrap Mechanic.
Prepare the perfect heist in a fully destructible, simulated voxel world. Tear down walls with vehicles or use explosives to create your own shortcuts. Shape the environment to your advantage in the most creative ways you can imagine. Play solo or with up to 12 players in multiplayer.