Top similar games like Nuclear Design Bureau:

Shape breathtaking worlds in Terra Firma 2, a vast simulation where your creations evolve through the forces of nature. Sculpt the land, then watch as weather, erosion, and life itself transform your world into a dynamic, living ecosystem- right down to every plant and creature.

Grab planets, set them in orbit, and nurture life in PLANETOON, a galaxy-building puzzle sim. Discover cosmic surprises and over 60 endings. Complete the ending collection to unlock Endless Mode, and see how far your own galaxy can grow.

Charge is a level-based puzzle game where you control the flow of charge around a circuit board. Arrange pre-built components into wondrous machines that take advantage of available resources and design your own modules from scratch.

A falling-block puzzle fueled by real chemistry. Let's play fire, play water, play every element in the universe!

Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!

Jingjie is a strategy-simulation sandbox where you write laws, shape probability clouds, and guide a living world with embedded local AI. Observe, experiment, and watch complex life emerge from logic, tension, and chaos.

Crosstalk is a hardware architecture design sandbox with a built-in, fully inspectable simulator and emulator. Players build designs ranging from LED controllers to complex computers using SystemVerilog, then program them. It has a gate-level simulator, introspection tools, a compiler, and more.

A tetrislike game where Wukong is trapped in the supreme celestial furnace. Can you master the alchemy of matter itself—drop elements, balance equations, and fuse molecules to break out? A handcrafted chemistry puzzler featuring 100+ levels, where every clear triggers a real chemical reaction.

Have you ever played a game that is so fun, but is also so infuriating that you wanted to throw your keyboard against the wall? Squares Rage is one of those. You have been warned.

Design computational circuits which defy restrictions of our universe in this open-ended puzzle. Your completed creations become components to solve future challenges. As you design a circuit and can place your design within it, where there is a smaller you doing the same, and so on to infinity.

Design increasingly complex computation units powered by high pressure steam. From switches to steam based computers, all in a world of analogue pressure devices. Use previous designs to solve further challenges, unravel the mystery of the missing steam and discover a new field of science.

Senalux is a hex-based puzzle game about optics where you solve challenging puzzles with colorful lasers. Use the red, green and blue lasers, combine them to the right color and illuminate the target.

Pixel Forge is a puzzle game where you create pixel art by connecting nodes. If you think you're smart enough, give this puzzle a try.

TurtleCAD 3D is an open-ended programming puzzle game/toy about writing code to pilot a sea turtle to create 3D polygonal graphics.  Solve puzzles, pursue leaderboard glory, or just make art to share with the in-game community.

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.

Pressure climbing. Drum level dropping. Three alarms and the TSO wants more power. If you trip the plant, everyone notices — the news, your boss, that guy who named his cat after a substation. You got hired because your resume said "worked with computers." Keep the lights on. Keep your job.

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..

This is a physics-based casual sandbox game, where there are no limits to your creativity. Mess around with liquids, explore the space, build machines, or just explode everything you can see.

Solve programming puzzles on a fictional computer with radio-based communication and unique limitations. Competitively optimize to compete on leaderboards against friends and the global community.

Logos Orbit is an emergent cosmic tuning simulation where you rewrite the "Logos" of an ever-expanding universe to control the collision and equilibrium of stars. Place gravity-altering Sigils to tune the orbits of star systems on the brink of collapse.

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. 

Virtual Circuit Board is the sandbox drawing-based logic simulator where you can build, program, decorate, and simulate anything from simple monochrome circuits to complex and colorful computers. Play with digital logic in this sandbox-only experience.

Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.

Develop magical programming abilities while building spells. Lambda Spellcrafting Academy is a card-based puzzle game where you build spells (programs) to solve puzzles. If you've ever wanted to dabble in spellcraft (programming) here is a fun way to get started.

A challenging Suika-like with no ground and an end

Reactonix is a flexible and enjoyable simulation sandbox where every force is at your command. Create ecosystems alone or with friends, experiment with physics and watch life evolve—or start an apocalypse for the sake of science. Complete freedom to create and destroy is in your hands.

A creative sandbox simulation where you experiment with physical interactions, build structures, and observe emergent behaviors in a world fully under your control.

A puzzle game about timing: you build machines out of light. A pulse crosses one cell per tick, so a longer route arrives later — distance is time. Lay conduits, split and merge colours, and beat your own count of ticks, cost and area.

Hex-a-Decimal is an automation puzzle game on a hexagon grid. Set up lines of conveyors, pausers, sensors, and various other components to get signals to where they need to go. It's a challenging game that anyone can pick up, but the question is: how far will YOUR puzzle solving skills take you?

Reverse-engineer a private 1990s BBS. Read disassembly, patch broken checks, optimize a nine-core rack, and write assembly firmware that locks onto live scope traces. With 200+ puzzles, full controller support and offline play, you can refine your assembly skills on all your devices!

An idle clicker game with prestige, perks, interest, evolving system, difficulty tiers, ranking and many other features!

Build working robots by wiring visual signal graphs, then watch, diagnose, and tune them in deterministic simulations. Grow a repair shop from its first piston to PID control, autonomous navigation, robot arms, and a walking humanoid.

Put two and two together in this minimalist, hex-based puzzle game that will rekindle your love for numbers. Solve thoughtfully crafted levels that invite you to engage your mind and explore the unique gameplay at your own pace.

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.

Idle game for those who tired of boring and infinite idle games

Falling-sand sandbox game with 500+ elements, chemistry, fire, life, food, and anything you can imagine.