Single-player games like Modbox
Below are 23 single-player Steam games similar to Modbox, 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 Modbox page.
Ranked picks
- 1
Home Improvisation: Furniture Sandbox
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Indie and Simulation with Modbox.
Build beautifully precise or wildly creative furniture! Decorate an entire house with your creations. 4 players can play locally, or invite an online player to help you build! Full support for the HTC Vive, including local and online multiplayer
- 2
DCS World Steam Edition
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Simulation with Modbox.
Feel the excitement of flying the Su-25T "Frogfoot" attack jet and the TF-51D "Mustang" in the free-to-play Digital Combat Simulator World!
- 3
AltspaceVR
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Simulation and Casual with Modbox.
AltspaceVR is the leading platform for live, virtual events, empowering artists, brands, and businesses to easily design meaningful experiences that foster community and connection.
- 4
7 Days to Die
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
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!
- 5
Voxel Project VR
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
Voxel Project offers an immersive sandbox experience set in a fully destructible voxel environment. Explore a dynamic world teeming with vehicles, dynamic fire mechanics, enemy NPCs, voxel gore, weapon customization, and a bunch of additional features to discover.
- 6
Stormworks: Build and Rescue
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Simulation with Modbox.
Join a world where you design, create and pilot your own air sea rescue service. Release your inner hero as you battle fierce storms out at sea to rescue those in need.
- 7
Anyland
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Indie and Adventure with Modbox.
Anyland is an open virtual reality universe to create your home, chat with others, explore & live in! Made from the ground up for VR, explorable via just PC & keyboard, and shaped by all of us together.
- 8
Contraption Maker
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Indie and Simulation with Modbox.
The spiritual successor to The Incredible Machine from its original designer and programmer. Play 100s of puzzles. Build and share elaborate contraptions with an huge variety of parts and critters.
- 9
Garry's Mod
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Indie and Simulation with Modbox.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
- 10
Terraria
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!
- 11
Starbound
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
- 12
Space Engineers
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
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.
- 13
Medieval Engineers
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
Medieval Engineers is a sandbox game about engineering, construction and the maintenance of architectural works and mechanical equipment using medieval technology. Players build castles; construct mechanical devices and underground mining. There is an entire planet to explore!
- 14
Raw Data
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
Built from the ground up for VR, Raw Data’s action gameplay, intuitive controls, challenging enemies, and sci-fi atmosphere will completely immerse you within the surreal world of Eden Corp. Go solo or team up and become the adrenaline-charged heroes of your own futuristic technothriller.
- 15
Unity of Command II
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Indie and Simulation with Modbox.
Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games.
- 16
Wytchwood
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Indie and Adventure with Modbox.
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.
- 17
Apotheon
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
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.
- 18
CRYPTARK
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
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.
- 19
Capsized
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
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!
- 20
DuneCrawl
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
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.
- 21
Maximum Override
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
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.
- 22
Autocraft
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Indie and Simulation with Modbox.
Create, Collect, and Crash in Autocraft, a physics destruction sandbox. Create your own cars, rockets, tanks, planes, boats, and more.
- 23
GUNHEAD
Single-player alternative to Modbox — playable solo, no multiplayer required. Shares Action and Indie with Modbox.
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.