Single-player games like Volcanoids
Below are 16 single-player Steam games similar to Volcanoids, 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 Volcanoids page.
Ranked picks
- 1
Voidtrain
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Indie with Volcanoids.
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.
- 2
Generation Zero®
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Adventure with Volcanoids.
Generation Zero is a stealth-action shooter where you wage guerilla warfare against lethal mechanical enemies. Explore a vast open world map inspired by the Swedish Cold War era, take part in the resistance alone or with up to three friends in seamless co-op.
- 3
Satisfactory
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Indie and Adventure with Volcanoids.
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!
- 4
Grounded
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Adventure with Volcanoids.
The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard?
- 5
Forever Skies
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Indie with Volcanoids.
A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity.
- 6
ICARUS
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Adventure with Volcanoids.
ICARUS is a solo or multiplayer PvE survival game. Explore a savage wilderness in the aftermath of terraforming gone wrong. Complete narrative quests as either Open World operations or Individual Missions. Explore, build, craft and hunt while seeking your fortune and prospecting for exotic matter.
- 7
Subnautica
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Indie and Adventure with Volcanoids.
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 8
The Lord of the Rings: Return to Moria™
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Adventure with Volcanoids.
A survival crafting adventure set in the Fourth Age of Middle-earth. Lead the Dwarves to reclaim Moria - mine, build, and battle through procedurally generated depths alone or with up to 8 players in co-op. It is time to return to Moria!
- 9
Empyrion - Galactic Survival
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Indie and Adventure with Volcanoids.
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
- 10
7 Days to Die
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Indie with Volcanoids.
7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!
- 11
Abiotic Factor
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Adventure with Volcanoids.
Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.
- 12
Ostranauts
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Indie and Simulation with Volcanoids.
Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.
- 13
Black Skylands
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Indie with Volcanoids.
Become the captain of an airship and explore the world of the skies, gather resources and build powerful weapons, uncover ancient secrets and fight beneath your ship's sails.
- 14
Star Trucker
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Simulation with Volcanoids.
Haul cargo, trade salvage and keep your space suit close as you search for fame and fortune among the stars in a game that puts an interstellar twist on the truck sim genre.
- 15
From the Depths
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Indie with Volcanoids.
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
- 16
Barotrauma
Single-player alternative to Volcanoids — playable solo, no multiplayer required. Shares Action and Indie with Volcanoids.
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!