Senalux
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.
The top results based on the latest update are NAND² [Score: 1.1], SpaceChem [Score: 1.0] and marblebuilds [Score: 1.0] The top rated games you can find here are Opus Magnum [SteamPeek Rating: 8.7] ranked #7, Bridge Constructor Portal [SteamPeek Rating: 8.2] ranked #32 and Human Resource Machine [SteamPeek Rating: 7.9] ranked #24 Also don't forget to check the newest releases SYSCALL: RING ZERO [Release date: 2026-07-03] ranked #33, U.V.S. Nirmana [Release date: 2026-05-04] ranked #20 and ProBelt [Release date: 2026-04-26] ranked #27 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Osmos [SteamPeek Rating: 6.3] ranked #16, U.V.S. Nirmana [SteamPeek Rating: 4.7] ranked #20 and Human Resource Machine [SteamPeek Rating: 7.9] ranked #24.
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.
Build a computer from a single NAND gate, together: online co-op for up to 4 players on one board. Wire relays into logic, memory and a 16-bit CPU with a pipeline and a cache, then program it. Robots in mazes, Nim, even a shooter on your own CPU. Level editor and Steam Workshop.
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!
A creative marble physics sandbox. Place blocks on an infinite grid to build anything you can imagine: marble runs, functional calculators, precision platformer courses, playable minigames, pinball machines, automated music tracks, and more.
Aptamirror is a meditative physics-based puzzle game inspired by molecular biology. Manipulate RNA strands by grabbing, mutating, cleaving, and ligating to match increasingly complex target structures. Challenge yourself with 50 handcrafted puzzles designed by a PhD Biochemist. Think. Fold. Repeat.
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.
A challenging Suika-like with no ground and an end
Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!
This is a simple and complex puzzle game about light. You need to use Optical components to direct lights and lit up the rings.
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.
Number Machine is an open-ended factory and automation game with math mechanics. Design, build, and optimize factories that automatically assemble and deliver complex numerical structures. Inspired by Opus Magnum and Infinifactory.
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?
Logic Arrows is a sandbox game where you design your own mechanisms: from logic gates to an entire computer. Use simple elements to build complex systems, solve engineering challenges and master computer logic.
Alien Cartographer is a Minesweeper-like logic deduction puzzle game, where the player has to identify various buildings on a hexagonal grid using environmental hints and the strict rules of their architecture.
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.
Comet 64 is a programming puzzle game. The year is 1984. All you got is a Comet 64 home computer and the operator's manual it came with.
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.
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.
Sokoban style quantum puzzle game. Make your way through many variations of one level at once using one sequence of moves!
Discover the simple yet intricate rules of Minimal Crypt through 60+ handcrafted puzzling levels of ever increasing difficulty! Create your own levels in the in-game editor and share them with the community to push the experience further.
U.V.S. Nirmana is a engineering puzzle game from Coincidence, the creators of Kaizen: A Factory Story and the inventors of the Zach-like. Set off on the Unreturning Void Ship Nirmana as it continues a journey of uncountable eons toward the edge of the universe.
Do you enjoy playing around with the physics in games? Then this is the game for you. Stack Masters is built around exploring that concept in a competitive way. Including a built in level editor and Steam Workshop support, the game offers a never ending supply of physics sandbox gameplay to explore.
Great Permutator is a puzzle. Hard and tricky. One in which you will have to build a complex system of conveyors and various devices so that the colored boxes can travel across the factory and arrive at right places and in right order. If you are into clever engineering puzzles, this game is for you.
OCTOPTICOM is an open-ended puzzle programming game about designing and optimizing optical computing devices. Use lasers, mirrors, filters and other components to read, transform and write sequences of colored squares.
Program little office workers to solve puzzles. Be a good employee! The machines are coming... for your job. From the creators of World of Goo and Little Inferno.
A cubic spacecraft has crashed on a distant planet. Collect the blocks around you, rebuild your hull, and climb ever higher to make your way back into space.
Oberty is mind-bending puzzle about combining shapes.
ProBelt is a game in which you calculate results by using mathematical operators. Conveyor belts are used to transport numbers between operators.
Assemble magnetic towers by stacking pieces from opposite poles, to enlighten a electrifying hexagonal board.
Play with lasers and solve puzzles in Laser Attraction. Use reflection, refraction, dispersion and filtration to direct the laser beams, mix and separate colours, open doors, hit targets and complete puzzles.
Click to place components to create anything from a piano to a computer in a virtual sandbox environment.
Light, darkness and remarkable puzzles! Bend the light to your will in this award winning physics-based puzzle game. Feel like a renaissance engineer, build your own solutions to light puzzles, feel your brain grow and all of that within the beautiful and mysterious world of LIT.
Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™ and Bridge Constructor™ games.
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!
Over 13M downloads! The pinnacle of physics puzzles. A challenge to humanity: Can you get the ball out of the cup? What to do is simple: Just draw on screen. Yet, it is surprisingly hard. Infinite solutions—even devs can't solve every Q. Sound confusing? Try it out! How will you solve it?
Build. Program. Pilot. Compete. ASMBL is a multiplayer VR sandbox simulator where you easily snap building blocks to build anything imaginable. Build and pilot planes, trains, cars, and mechs. Put your creativity to the test as you and your friends solve problems and compete together.
The Entity Code is a sci-fi themed 2D puzzle game with simple but challenging mechanics.
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