Sci-Fi Builder is a sandbox construction sim where you design a space station, build a colony, and control aliens, robots & NPCs. No grids, no limits — just creative freedom in space.
Gameplay | Sci-Fi builder gameplay
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About This Game

Sci-Fi Builder is a sandbox construction and colony sim where you create your own space station, build rooms, place furniture, and control aliens, robots, and NPCs in a fully interactive sci-fi world.

🛸 What Can You Build?

  • Design custom sci-fi rooms with full creative freedom (no grid snapping)

  • Place and move furniture, props, and devices anywhere you want

  • Paint and recolor your station with endless style options

  • Control lighting and effects for cinematic space vibes

  • Create unique interactions between characters, robots, and props

  • Build societies, alien soap operas, or robot dance battles

🤖 Characters & NPCs

  • Hundreds of beings: humanoids, aliens, robots, and creatures

  • Customize outfits, personalities, and behaviors

  • Directly control NPCs or let AI surprise you with emergent stories

  • Watch colonies form, relationships spark, and chaos unfold

📦 Creative Toolbox

  • Space furniture, construction parts, computers, and gadgets

  • Custom colors for walls, outfits, and alien gear

  • Wardrobe customization for every character

  • NPC personality sliders (will your robot be flirty, moody, or feral?)

  • No object limits — build until your station can’t handle it

🚀 Why You’ll Love It
Sci-Fi Builder is a sandbox of pure creative freedom. Construct space stations, experiment with alien societies, and push sci-fi imagination to the limit. There’s no story, no endgame — just infinite building, roleplay, and weird cosmic fun.

So suit up, space architect — your colony awaits.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS *: Windows 7 or later (64-BIT Required!!!) It is not working on 32-BIT systems!
    • Processor: Intel Core i5-4590 / AMD FX 8350
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GTX 970 / AMD Radeon R9 290
    • Storage: 14 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.

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Mixed (17 reviews)






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