Single-player games like Buildanauts
Below are 10 single-player Steam games similar to Buildanauts, 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 Buildanauts page.
Ranked picks
- 1
FrontierLord
Single-player alternative to Buildanauts — playable solo, no multiplayer required. Shares Indie and Simulation with Buildanauts.
FrontierLord is a pixel strategy game to build and guard frontier forts. As lord, build villages, collect wood and ore for production. Place siege gear and wall traps, train troops to repel raiders. Balance building and defense, craft your fort and create your frontier legend.
- 2
Heavy Works
Single-player alternative to Buildanauts — playable solo, no multiplayer required. Shares Indie and Simulation with Buildanauts.
Build and Destroy with satisfying digging and building mechanics in this openworld physics constuction simulator, borrow cash to buy bigger more powerfull machines and Build more! Freely construct your yard and the world around to build a town from nothing.
- 3
Alpha Lyrae Discovery
Single-player alternative to Buildanauts — playable solo, no multiplayer required. Shares Indie and Simulation with Buildanauts.
Alpha Lyrae (Vega) is the brightest star in the northern constellation of Lyra. You were sent to Alpha Lyrae system, and your first object is to discover and to transmit data back. The last and only message from the previous team: "It is a rich and soft planet. They are everywhere."
- 4
Hotel Manager Simulator
Single-player alternative to Buildanauts — playable solo, no multiplayer required. Shares Indie and Simulation with Buildanauts.
Build and run your own hotel from the ground up. Manage guests, design rooms, hire staff and upgrade floors. Set competitive prices for rooms and turn the tiny 1-floor building into a thriving 100-story luxury hotel.
- 5
Built by Day, Bitten by Night
Single-player alternative to Buildanauts — playable solo, no multiplayer required. Shares Indie and Simulation with Buildanauts.
Built by Day, Bitten by Night is a cozy voxel city builder with a small problem: the zombies. And pirates. And yetis, robots, UFOs. Build your kingdom by day — farms, fountains, mansions, dragons. Defend it by night. How long can your keep survive till dawn?
- 6
Train Frontier Classic
Single-player alternative to Buildanauts — playable solo, no multiplayer required. Shares Indie and Simulation with Buildanauts.
Train Frontier Classic is a stylized landscape building and multiplayer train riding sandbox, inspired by the fun of model railroad building. Fill a scene with miles of scale track, hundreds of props, and a personal train car setup -- then go online to share and ride your creation with friends!
- 7
SUPER BUILD
Single-player alternative to Buildanauts — playable solo, no multiplayer required. Shares Indie and Simulation with Buildanauts.
Build, design, and explore your own fantasy world using over 1000+ items, in this relaxing sandbox game. No missions, no objectives, no timers. Just stress-free building, exploration, and good vibes.
- 8
Pathless Woods
Single-player alternative to Buildanauts — playable solo, no multiplayer required. Shares Indie and Simulation with Buildanauts.
Embark on a cozy open-world survival journey inspired by ancient China's heritage. Gather resources, cultivate crops, build your dream home, and defend it from marauders. Team up with friends to explore and uncover a world where adventure meets serenity.
- 9
Minecraft: Story Mode - A Telltale Games Series
Single-player alternative to Buildanauts — playable solo, no multiplayer required.
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.
- 10
Minecraft Legends
Single-player alternative to Buildanauts — playable solo, no multiplayer required.
Discover the mysteries of Minecraft Legends, a new action strategy game. Explore a gentle land of rich resources and lush biomes on the brink of destruction. The ravaging piglins have arrived, and it’s up to you to inspire your allies and lead them in strategic battles to save the Overworld!