Single-player games like Nuclear Design Bureau
Below are 8 single-player Steam games similar to Nuclear Design Bureau, 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 Nuclear Design Bureau page.
Ranked picks
- 1
Typhon: Bot vs Bot
Single-player alternative to Nuclear Design Bureau — playable solo, no multiplayer required. Shares Strategy and Indie with Nuclear Design Bureau.
Command modular mechs in Typhon, a sci-fi tactical strategy game where you outthink rivals by scripting your bots with Python. Customize, adapt, and evolve your forces in real time in the hostile alien world of AEGIS IVb to dominate the battlefield.
- 2
GizmoLab VR
Single-player alternative to Nuclear Design Bureau — playable solo, no multiplayer required. Shares Strategy and Indie with Nuclear Design Bureau.
A VR sci-fi sandbox game where you can put your skills to the test to build crazy inventions, with mechanics analogous to real-life electrical engineering.
- 3
Universe Sandbox
Single-player alternative to Nuclear Design Bureau — playable solo, no multiplayer required. Shares Indie and Simulation with Nuclear Design Bureau.
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
- 4
Multiply Factory
Single-player alternative to Nuclear Design Bureau — playable solo, no multiplayer required. Shares Strategy and Indie with Nuclear Design Bureau.
Multiply Factory is a factory building game. Build your own multiple-layer factory within a 3-D space with belts, inserters, factories and stairs. Enjoy the fantasy of manufacturing.
- 5
Problem Space
Single-player alternative to Nuclear Design Bureau — playable solo, no multiplayer required. Shares Indie and Simulation with Nuclear Design Bureau.
Venture forth through this puzzle game across space. Use your command terminal to guide the Onlooker interstellar probe through treacherous galaxies to explore the farthest reaches of the universe. Avoid asteroids, perform research tasks, and weave through the stars!
- 6
Powdertron
Single-player alternative to Nuclear Design Bureau — playable solo, no multiplayer required. Shares Indie and Simulation with Nuclear Design Bureau.
A physics sandbox built on real chemistry. Drop 674 materials into a falling-sand world and watch them react, burn, freeze and explode. Then wire circuits, test wings in a wind tunnel, or split light through lenses — alone or with friends online.
- 7
Alchemy Laboratory: Simulator
Single-player alternative to Nuclear Design Bureau — playable solo, no multiplayer required. Shares Indie and Simulation with Nuclear Design Bureau.
Dive into a world of creation and discovery, where each element combines to form new ones. Experiment freely in this interactive sandbox. But be careful: every combination has its consequences..
- 8
World of Contraptions
Single-player alternative to Nuclear Design Bureau — playable solo, no multiplayer required. Shares Strategy and Indie with Nuclear Design Bureau.
World of Contraptions is a physics-based building game in which you build the most varied contraptions to solve the most diverse types of puzzles. Win dozens of levels with different types of obstacles. Design the best contraption for each challenge using a giant collection of blocks.