Single-player games like s&box
Below are 14 single-player Steam games similar to s&box, 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 s&box page.
Ranked picks
- 1
nanos world™
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Sports with s&box.
The next-generation open-world multiplayer sandbox. Play community-made game modes, create addons with Lua scripting, import custom assets from Unreal Engine 5, and host your own dedicated servers for hundreds of players!
- 2
Minigame Madness
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Sports with s&box.
Minigame Madness is a high-difficulty multiplayer party game for 1-16 players online. Compete with friends or strangers in an ever-growing collection of frantic minigames to unlock shiny badges, design stylish outfits & create awesome condos! BOTS coming 2026!
- 3
Modiverse
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Strategy with s&box.
An open multiplayer sandbox game; includes tools, props, levels, NPCs, character models, game-modes and much more! Make your own using our mod kit!
- 4
Source Code
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Sports with s&box.
"Source Code" is a large-scale multiplayer online and LAN FPS/TPS game set in the backdrop of World War III. It features building and portal systems, a comprehensive Zombie DLC, and a wide array of firearms and equipment for competitive shooting.
- 5
Lost Hope
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Indie with s&box.
Lost Hope is a survival game where you shape the world, battle zombies, and explore diverse territories, uncovering secrets while facing extreme challenges.
- 6
Finding Home
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action with s&box.
A zombie shooter where you can build your base and craft items to help you survive.
- 7
双线交锋：收获日
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action with s&box.
are you ready? Soldiers, take up your weapons and let your footprints cover the harvest battlefield! This is a very hard core game, independently developed by sun Shen game studio
- 8
Bulletproof
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Sports with s&box.
Change the art, change the history, change the rules of the game and let your imagination soar with the 250 Worlds and 50 Modes of Bulletproof... (Shooter, RTS, MMORPG, Arcade, Martial arts, Sports, Horror, Racing, War... There is no limit to fun)
- 9
Primordio
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Indie with s&box.
Survive the void. Control a wisp of pure energy in this roguelite bullet-hell survival game. Chain lightning through swarms of primordial entities, level up with powerful upgrades, and fight to stay alive long enough to learn the secrets of... PRIMORDIO
- 10
Garry's Mod
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Indie and Simulation with s&box.
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.
- 11
Prince of Persia: The Two Thrones™
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Adventure with s&box.
The Prince of Persia, a seasoned warrior, returns from the Island of Time to Babylon with his love, Kaileena. Instead of the peace that he longs for, he finds his homeland ravaged by war and the kingdom turned against him.
- 12
Chippy
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Action and Indie with s&box.
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.
- 13
Clatter
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Strategy and Indie with s&box.
Create and command your own customizable squads of fighting robots in this turn-based, arena tactics game.
- 14
Chunks
Single-player alternative to s&box — playable solo, no multiplayer required. Shares Indie and Simulation with s&box.
Build and share worlds, design rideable roller-coasters, or try out user created game modes and tools in this block-based VR sandbox.