- #1 Project Regolith
97% matchMixed68% of 22 reviews2023
Dev: Regolith Interactive
Windows
Work together with a partner to solve a series of non-Euclidean Escape Room puzzles to uncover the mystery behind the vanished crew of Outpost Rhea, a deep-space research facility experiencing strange spatial anomalies.
Why similar: Science 16.9%, Co-op 15.1%, Sci-fi 13.9%, Futuristic 12.1%, Puzzle 11.4%
- #2 Critical Point
96% matchPositive95% of 20 reviews2025
Dev: Boxwood Studio
Windows · Mac
Critical Point is a retro sci-fi casual strategy game. You have to make the particle count in reactor cells exceed 4, surpassing the critical point of fission to generate energy required for interstellar voyages.
Why similar: Science 29%, Roguelite 11.6%, Puzzle 11.1%, Logic 10.1%, Strategy 9.8%
- #3 Escape: The Research Center
96% match7 user reviews100% of 7 reviews2025
Dev: Woodcrest Games, LLC
Windows
Trapped by your colleague Victor in a mysterious research center, surrounded by strange science projects and an unknown toxin coursing through your veins...it's up to you to explore, find clues, and solve the puzzles. Will you escape The Research Center?
Why similar: Science 44.1%, Puzzle 16.4%, Mystery 13.2%, Logic 10.3%, Atmospheric 6.4%
- #4 Machinika: Museum
95% matchVery Positive93% of 6,294 reviews2021
Dev: Littlefield StudioPub: Dear Villagers
Windows · Mac
Median: 2.3 hrsMean: 6.5 hrs≥1hr: 63%
Welcome to the Museum! Machinika Museum is a mystery game where you discover beautiful and mysterious machines of extra-terrestrial origins in an atmospheric galaxy-spanning 3D puzzle game. Will you be able to understand their stories and discover what happened to their previous owner?
Why similar: Science 26.3%, Mystery 12.4%, Sci-fi 11.9%, Puzzle 11.7%, Futuristic 11.4%
- #5 Tellyport
94% matchVery Positive97% of 105 reviews2026
Dev: TellyportPub: ISART DIGITAL
Windows
Play as Sally, the granddaughter of a brilliant and eccentric inventor, who invited you to explore her 70s lab, filled with unique inventions. Solve puzzles by crossing TV screens that alter your gravity, size, or both. Observation, manipulation, and thinking are key to progressing!
Why similar: Science 38%, Female Protagonist 18.5%, Puzzle 18.2%, Sci-fi 9.5%, 3D 7.3%
- #6 Entangled
94% matchPositive88% of 25 reviews2021
Dev: Tiltfactor
Windows
As a scientist sucked into a conflict playing out across parallel universes, you'll have to solve puzzles to teleport yourself between alternate versions of your lab and stay one step ahead of pursuit.
Why similar: Science 27.2%, Female Protagonist 23.3%, Puzzle 18.3%, Sci-fi 10.5%, 3D 9.1%
- #7 Science Girls
93% matchMixed67% of 164 reviews2014
Dev: Spiky CaterpillarPub: Hanako Games
Windows · Mac · Linux
Median: 54 minMean: 11.5 hrs≥1hr: 47%
Schoolgirls fight aliens with the power of science! Gather a team of science-themed specialists and defend your homeworld in classic turn-based combat.
Why similar: Science 45.7%, Female Protagonist 19.2%, Anime 15.1%, Sci-fi 13.7%, Indie 2.9%
- #8 Lands of XON
92% matchNo user reviews
Dev: imagoFX
Windows
Lost in an alien world, surrounded by unfamiliar landscape and foreign technology, you need to find the way back home. Explore, discover and solve the mysteries of this strange place.
Why similar: Science 26.1%, Futuristic 12.6%, Logic 12.3%, Puzzle 11.1%, Sci-fi 10.8%
- #9 2236 A.D. Secretary Stories
91% matchVery Positive81% of 83 reviews2021
Dev: ChloroPub: Sekai Project
Windows · Mac
A prequel to 2236 A.D. which features a nonsensical story between man and AI that seems heartwarming but may actually be heartwarming. In other words, it's a visual novel about how Masuko is cute.
Why similar: Science 45.3%, Anime 19.2%, Sci-fi 17.3%, Casual 11.7%, Indie 3.4%
- #10 Recursive Access
91% matchNo user reviews
Dev: Colin Kidwell
Windows
Recursive Access is a sci-fi puzzle game where you roll a ball across a neon-lit cube maze one grid step at a time. Collect every key to unlock the exit on procedural levels that grow harder the deeper you go.
Why similar: Futuristic 23.5%, Puzzle 21.4%, Sci-fi 17.3%, Logic 12.5%, 3D 11.7%
- #11 Goblin Party
89% matchNo user reviews
Dev: Subtle Arts
Windows
Match the monsters in this retro style puzzler inspired by classic games.
Why similar: Female Protagonist 26.5%, Puzzle 20.1%, Logic 13.1%, Local Co-Op 10.7%, Co-op 9.9%
- #12 Ideal Gas
90% matchNo user reviews2022
Dev: Rude Fox Games
Windows
In this Explosive Ballon Based Puzzler, all you have to do is get the balloons safely to the end zone. Simple, right? Use a variety of fans and other tools to avoid obstacles and finish the experiment.
Why similar: Science 49%, Puzzle 16.5%, Strategy 13.2%, 3D 9.7%, Casual 7.2%
- #13 Prism
89% match3 user reviews100% of 3 reviews2025
Dev: SplitCriteria
Windows
Enjoy 100 mind-bending levels in this light-based puzzler. Use your mouse to point, click and scroll to use mysterious tools to reflect, bend, filter, separate, mix, split, unblock, teleport, and polarize light to reach the goals.
Why similar: Science 38.4%, Puzzle 19.5%, Strategy 17.9%, Casual 10.4%, Atmospheric 6.3%
- #14 A Virus Named TOM
88% matchMixed56% of 750 reviews2012
Dev: Misfits Attic
Windows · Mac · Linux
Median: 2.3 hrsMean: 4.4 hrs≥1hr: 86%
Hack your way through brain scrambling puzzles while maneuvering through a thumb cramping maze of enemies.
Why similar: Puzzle 31.2%, Local Co-Op 19.8%, Strategy 15.6%, Indie 11.1%, Local Multiplayer 10%
- #15 Constellations: Beyond the edges
86% matchNo user reviews2028
Dev: Hanoi Studios
Windows · Mac · Linux
After an accident at a space station, you lose all communication with the earth and are no longer able to locate yourself in space, your best chance of returning is to use the space monitoring system to identify known constellations and configure the route back home.
Why similar: Science 44%, Sci-fi 15.4%, Logic 15.3%, Puzzle 14.1%, Casual 4%
- #16 Rivage
86% matchNo user reviews2026
Dev: Exnilo StudioPub: Raw Fury
Windows
Rivage is an immersive sci-fi puzzle adventure set aboard the A.R.E.S. space station trapped in a space phenomenon. Wake up as Miranda, forced to explore, solve intricate puzzles to unravel the fate of your missing crew.
Why similar: Science 26.6%, Female Protagonist 14.1%, Logic 12.9%, Sci-fi 12.6%, Mystery 11.2%
- #17 Whitematter
85% match7 user reviews100% of 7 reviews2025
Dev: Exothermic Games
Windows
Shift your direction of gravity to the walls and the ceiling to overcome your obstacles in this first-person puzzler. Solve 40+ traversal puzzles that challenge your spatial reasoning skills. Take care, however, for not all is as it seems.
Why similar: Science 35.3%, Puzzle 16.8%, Sci-fi 16.7%, Futuristic 13.1%, Atmospheric 9%
- #18 Gravitational
84% matchMixed67% of 12 reviews2021
Dev: Electric Monkeys
Windows
Gravitational is a VR experience that takes place in an upward future, where gravitational technology is being discovered. Experience Sebastian, a scientist in the apex of collapse inside Gravicorp’s facilities, overcoming not only challenges on your way but also your traumas.
Why similar: Science 31.8%, Sci-fi 13.3%, Futuristic 13.1%, Puzzle 11.4%, Logic 10.3%
- #19 Monolith's Dreamers
84% matchNo user reviews
Dev: Dreamy Salamander Studio
Windows
A captivating 2D puzzle game where strategic thinking is essential. Explore the world of the Monoliths, outwit the traps guarding the ruins, and help the inhabitants. Solve puzzles that block your progress by collecting and redistributing energy.
Why similar: Female Protagonist 17.2%, Puzzle 14%, Sci-fi 11.8%, Futuristic 11.4%, Logic 10.9%
- #20 Spacebolt
82% matchPositive100% of 11 reviews2026
Dev: Critical Loop Studio
Windows
What am I? Where am I? Who am I? Spacebolt is a narrative-driven puzzle adventure game where you control a spark of electricity. Traverse walls and ceilings, travel through circuits, and awaken dormant machines as each discovery brings you closer to the truth.
Why similar: Science 20.3%, Puzzle 18.4%, Sci-fi 17.6%, Strategy 14.8%, 3D 8.7%
- #21 Death and Progress
83% matchPositive92% of 25 reviews2019
Dev: ShenTzuPub: ShenTzu Games
Windows
A girl wakes up with no knowledge of who or where she is, and she soon finds out that the only way forward... is to die. Death and Progress is a puzzle based RPGMaker horror game inspired by classics like the Witch's House and Ib.
Why similar: Female Protagonist 18.1%, Sci-fi 15.4%, Futuristic 14.6%, Puzzle 13.1%, Anime 13%
- #22 Astro Link
82% match9 user reviews89% of 9 reviews2024
Dev: BlueBox Games
Windows
Astro Link is a Portal-like puzzle game that takes place within the mysterious Astro Link facility. What happened to this place? Will test subject #602 be able to find out?
Why similar: Science 35.6%, Futuristic 16%, Sci-fi 13.2%, Logic 11.8%, Puzzle 11.3%
- #23 Loskop
81% matchPositive82% of 17 reviews2022
Dev: Oliver Starup
Windows
Experience a new type of puzzle-solving in this new linear second and first person puzzle solving game. Control the little robot also known as Loskop and help him escape his old factory and out into the wild.
Why similar: Logic 21.8%, Puzzle 18.6%, Futuristic 15.6%, Sci-fi 10.7%, 3D 9.9%
- #24 The Last Cube
80% matchVery Positive97% of 150 reviews2022
Dev: Improx Games
Windows · Mac · Linux
Cube puzzler and an epic adventure. Stamp stickers to the sides of your cube to imbue each surface with unique powers, which are vital to solving puzzles and finding secrets.
Why similar: Science 33.5%, Logic 12.8%, Sci-fi 11.7%, Futuristic 11.7%, Puzzle 11.5%
- #25 Particle Box
81% matchNo user reviews2026
Dev: particlebox
Windows · Mac
A strategic incremental game about using scientific-sounding probabilistic particle interactions to make a number go up. Generate quettawatt-hours of electricity in the Particle Box room and get promoted to Senior Staff Intern.
Why similar: Science 35.8%, Roguelite 24.4%, Strategy 20.6%, Casual 8.7%, 3D 7.8%
- #26 Operation: Forge the Deep
79% matchMixed69% of 13 reviews2022
Dev: BYU Materials Innovation LabPub: BYU Mechanical Engineering
Windows · Mac
Solve real materials science problems, contribute to science, and survive a new ice age in a puzzle adventure that combines engineering problems with a unique puzzle that will challenge how you look at the world around you.
Why similar: Science 39.5%, Futuristic 13%, Puzzle 11.8%, Logic 10.6%, Strategy 9.4%
- #27 Breakthrough
79% match1 user reviews100% of 1 reviews2024
Dev: TRP no studio
Windows
Breakthrough is a game where you create an efficient electricity circuit in a smaller space, with fewer parts. Obtain "100rW"(Revolution watt) to make a breakthrough, and improve circuits more!
Why similar: Science 42%, Puzzle 20.5%, Futuristic 19%, Casual 13.9%, Singleplayer 4.6%
- #28 D6scend
78% matchNo user reviews
Dev: Ra9r
Windows
D6SCEND is a single-player 3D puzzle game centered around manipulating a six-sided die. Roll across tile-based, multi-level mazes to reach a goal tile with a specific face value oriented upward. Master spatial reasoning and orientation tracking in a minimalist sci-fi world.
Why similar: Futuristic 18.1%, Puzzle 15.1%, Logic 15.1%, Strategy 13.2%, 3D 9.2%
- #29 Ecocoru : Euclidean Constructions -- Compass & Ruler
78% match4 user reviews100% of 4 reviews2022
Dev: Sergey Krasnikov
Windows
Ecocoru is a puzzle game where you have to solve compass and ruler construction problems.
Why similar: Science 53.8%, Logic 20.9%, Puzzle 18.7%, Singleplayer 3.6%, Indie 3%
- #30 Hentai Cowgirl
77% matchNo user reviews
Dev: htaidisgust
Windows
Hentai Cowgirl is a jigsaw puzzle. You must use your wisdom to put the puzzle back to its original shape.
Why similar: Female Protagonist 23.6%, Puzzle 16.3%, Anime 15.1%, Strategy 14.3%, Logic 14.1%
- #31 FITRIZ
77% matchPositive81% of 16 reviews2022
Dev: JR Games
Windows
Food puzzle game. Complete lines of food blocks and collect 175+ food items in 30 levels with the help of a raccoon.
Why similar: Science 41.2%, Puzzle 24.7%, Logic 16.2%, Casual 11.2%, Indie 3.9%
- #32 Lightmatter
76% matchVery Positive92% of 2,907 reviews2020
Dev: Tunnel Vision GamesPub: Aspyr
Windows
Median: 5.0 hrsMean: 8.3 hrs≥1hr: 86%
A first-person puzzler where shadows kill you. Watch your step or be swallowed by the darkness.
Why similar: Logic 33.1%, Science 22.5%, Puzzle 11.7%, Sci-fi 8.6%, Indie 7.7%
- #33 Cyber Sokoban
75% matchNo user reviews
Dev: Heimo Game Studio
Windows
Puzzle game based on sokoban mechanics with futuristic mechanics. Move the futuristic cubes to their respective places, deactivate the leisures and go through the portals to pass the level.
Why similar: Futuristic 21.9%, Puzzle 17.4%, Strategy 15.6%, Logic 15.5%, Casual 12.5%
- #34 ReSizE
76% matchMixed60% of 78 reviews2017
Dev: VI GAMES LLCPub: My Way Games
Windows
Median: 4.5 hrsMean: 13.6 hrs≥1hr: 95%
That’s a great space puzzle to challenge your brain. Try to get through all of the rooms!
Why similar: Science 42.6%, Strategy 24%, Sci-fi 15.5%, Puzzle 13.9%, Singleplayer 4%
- #35 robot become human
75% matchNo user reviews
Dev: Team 27
Windows
You are a little robot aiming to understand the world outside of your station, and with it, discover your own humanity. Traverse the facility and try to reach the surface world in this vocaloid inspired puzzle game.
Why similar: Futuristic 29%, Puzzle 27.1%, Strategy 19.4%, Sci-fi 15.1%, Singleplayer 5.1%
- #36 Gravity Sphere
74% matchMixed62% of 13 reviews2024
Dev: DevB0t
Windows
Gravity Sphere is a 3D puzzle game where you use gravity fields to manipulate and guide projectiles through increasingly difficult levels. Strategize, aim, and solve challenging puzzles in a futuristic, physics-based environment.
Why similar: Strategy 20.8%, Puzzle 19.8%, Logic 12.4%, Sci-fi 10.7%, 3D 10.3%
- #37 Proton & Electron
73% match5 user reviews100% of 5 reviews2026
Dev: ElectronLab
Windows · Mac
Play as Dr. Proton and Electron in a world of ⚡Electromagnetism⚡, where two must collaborate to solve puzzles and restore their broken world.
Why similar: Science 37%, Logic 13.5%, Sci-fi 12.5%, Puzzle 11.8%, Local Co-Op 10.5%
- #38 Project DAR
73% match4 user reviews100% of 4 reviews2025
Dev: 7Corp
Windows
A powerful AI, disillusioned with humanity, creates a game to decide civilization's fate. Your choices shape millions' destiny. Can you prove humanity's worth?
Why similar: Futuristic 17.5%, Puzzle 15.4%, Strategy 14.8%, Logic 14%, Sci-fi 11.6%
- #39 First Contact
74% matchPositive100% of 11 reviews2020
Dev: Haguy EisPub: Eis Interactive
Windows
Strange radio bursts have been detected! Embark on an immersive adventure as you analyze radio signals coming from space, decipher hidden messages, symbols, sounds, and translate alien languages. Follow an engaging story with countless dialogues and game-changing choices.
Why similar: Science 52.2%, Sci-fi 16.9%, Puzzle 11.9%, Mystery 7.3%, Logic 6.8%
- #40 HexON
73% matchMixed69% of 83 reviews2020
Dev: Minimol Games
Windows · Mac
A relaxing puzzle game. Turn on each board by connecting all magnetic pieces to it.
Why similar: Science 32.7%, Futuristic 14.1%, Logic 13.5%, Puzzle 11.4%, Sci-fi 11.1%
- #41 LOVE girls
72% matchPositive100% of 14 reviews2024
Dev: Lovely Girls Studio
Windows
Indulge in a tranquil puzzle game that is sure to uplift your spirits.
Why similar: Female Protagonist 24.3%, Anime 23.2%, Puzzle 20.4%, Casual 13.4%, Mystery 8.7%
- #42 Axiom Of Echoes: Proof Refactor
72% matchNo user reviews2026
Dev: Lukas Gergel
Mac
Axiom Of Echoes: Proof Refactor is a story-rich logic puzzle game where you build mathematical rules to reconstruct 2D and 3D memory fragments, solving precise spatial puzzles as a cold sci-fi mystery unfolds.
Why similar: Puzzle 21.9%, Logic 18.3%, Sci-fi 15.9%, Casual 14.5%, Atmospheric 11.9%
- #43 Permanence Break
70% match5 user reviews80% of 5 reviews2025
Dev: Turkey Club Games
Windows
A sci-fi first-person puzzle game based around object permanence. Move and look around rooms in order to pick which objects you see and which you don't.
Why similar: Science 30.9%, Puzzle 18.1%, Logic 13.2%, Casual 11.9%, Sci-fi 11.3%
- #44 One Degree Off
70% match3 user reviews100% of 3 reviews2026
Dev: Neutrino Interactive
Windows · Mac · Linux
One Degree Off is a 2D puzzle game that turns laser physics into captivating brain teasers. Master reflection and refraction to guide multiple lasers through intricate levels, Mix and split colors and, Control your beam's intensity to reach your goals.
Why similar: Science 38.4%, Puzzle 21.5%, Sci-fi 14.5%, Logic 12.5%, Strategy 5.5%
- #45 Bagburnian Remote
71% matchNo user reviews
Dev: Roman Chumak
Windows · Mac · Linux
Message from extra-terrestrial intelligence.
Why similar: Science 49.8%, Sci-fi 18.4%, Puzzle 16.7%, Indie 15.2%
- #46 Portal Journey: Portarius
71% matchPositive81% of 26 reviews2018
Dev: Dmitry Poznukhov
Windows · Mac · Linux
Open a portal and begin your journey! Teleport rocks, water and your spaceship. Immerse in handcrafted colorful worlds, solve puzzles and be the first at the center of the Earth.
Why similar: Science 38.5%, Puzzle 16.6%, Sci-fi 12.9%, Casual 11.3%, Indie 9.9%
- #47 Mighty Switch Force! Hose It Down!
71% matchVery Positive88% of 85 reviews2015
Dev: WayForward
Windows
Median: 30 minMean: 1.7 hrs≥1hr: 39%
Team up with Officer Patricia Wagon to save Tangent City from a fiery blaze! As a member of Planet Land’s Fire Brigade, your job is to douse the fire in each building — and to evacuate any Hooligan Sisters who may be trapped inside.
Why similar: Female Protagonist 37.9%, Strategy 23.9%, Puzzle 15.5%, Casual 11.8%, Indie 10.9%
- #48 星塔星夜MONOBEHEVO
70% matchMostly Positive72% of 64 reviews2022
Dev: iiloo
Windows
This is a very tired person after work. He decided to make a game that can pass customs in one night.
Why similar: Science 32.7%, Female Protagonist 22%, Anime 18.4%, Sci-fi 12%, Action-Adventure 8.7%
- #49 Tales of Tomorrow: Experiment
69% matchMixed68% of 25 reviews2022
Dev: Duality Games
Windows
ToT: Experiment is a sci-fi short story game set on a remote ship wandering through space. Without any memories or recollection of his past our hero is tasked by the ship AI - AR.I.A. to perform daily tasks, that will help to maintain the ship.
Why similar: Science 30.1%, Futuristic 13.7%, Sci-fi 11%, Puzzle 10.7%, Casual 10.1%
- #50 Little Astronaut
69% matchNo user reviews
Dev: Veloneer Games
Windows
Stranded on an alien planet, guide a small astronaut through a mysterious world, solve environmental puzzles, and find a way into an abandoned research base in this atmospheric sci-fi puzzle adventure.
Why similar: Science 23.1%, Sci-fi 14.3%, Futuristic 13.2%, Puzzle 13.1%, Mystery 12.2%
- #51 THE MULLER-POWELL PRINCIPLE
67% matchMostly Positive73% of 369 reviews2023
Dev: Three Dots Games
Windows
Dr. Herman, your sci-fi journey begins. Armed only with your mind and the Manipulator that operates with different types of energy, you'll have to pass through portals, visit parallel worlds, and solve physics-based puzzles.
Why similar: Science 38%, Sci-fi 12.3%, Logic 11.7%, Mystery 11%, Puzzle 10.9%
- #52 Cubuild
68% matchNo user reviews
Dev: DISHM Studio
Windows
The game ditched the traditional jumping, and switched to using a limited number of blocks to get higher. Players will make it to the finish by smartly using dashes, resets, and interacting with different elements in each level.
Why similar: Science 50%, Puzzle 18.1%, Sci-fi 15.5%, Futuristic 11.2%, Singleplayer 2.8%
- #53 Nonogram Kingdom
68% matchMixed58% of 45 reviews2022
Dev: RikkiGames Limited
Windows
Come play Nonogram Kingdom, a world where you can explore a whole range of different places by solving nonogram puzzles and unlock amazing prizes that allow you to customize your game. These puzzles are fun and a great way to keep your brain active and to challenge yourself daily.
Why similar: Logic 31.2%, Strategy 25.2%, Puzzle 21.1%, Indie 9.5%, Casual 9.3%
- #54 Magnetism
69% match2 user reviews50% of 2 reviews2022
Dev: Tail House
Windows
We are recruiting new test subjects for a new in-house experiment at our facility. We ask that new recruits have good jumping skills and good logical thinking. For those interested, please report to the main lobby to receive further instructions.
Why similar: Strategy 23.5%, Puzzle 16.7%, Futuristic 14.2%, Sci-fi 12.4%, Logic 11.2%
- #55 Ever Forward
68% matchVery Positive82% of 289 reviews2020
Dev: Pathea Games
Windows
Median: 1.3 hrsMean: 2.6 hrs≥1hr: 57%
A girl trapped in a strange world somewhere between reality and imagination. Help her find her way in this adventure puzzle game.
Why similar: Strategy 28.8%, Female Protagonist 15%, Puzzle 13.1%, Indie 12.6%, Casual 11.1%
- #56 Stay Quiet
67% matchNo user reviews
Dev: Born but with me
Windows
Stay Quiet is a First-Person Survival Horror/Action game where every sound you make could lead to your death. You must solve puzzles and collect vital components to find your escape route and flee this facility.
Why similar: Science 54.3%, Puzzle 14.4%, Sci-fi 13.5%, 3D 10.4%, Singleplayer 5.5%
- #57 ITRP _ Vacuum Bless
66% matchPositive100% of 17 reviews2025
Dev: Unhexigon
Windows
You are hanging on a spaceship amidst the endless vacuum. You’ve got to options: either perish there, or collect yourself and find the fabled rescue shuttle.
Why similar: Logic 22.1%, Puzzle 18.5%, Atmospheric 11.5%, Mystery 11.1%, Sci-fi 9.7%
- #58 Topological Board Game
66% match1 user reviews0% of 1 reviews2026
Dev: You-Xun Zhang
Windows
An experimental strategy sandbox where classic board games become scientific laboratories across different lattices, dimensions, boundaries, and topologies, with customizable rules inspired by mathematics, physics, biology, and computer science.
Why similar: Science 31.2%, Strategy 16.4%, Futuristic 14.4%, Logic 11.8%, Local Multiplayer 7.4%
- #59 Euclidean Escape
67% matchNo user reviews
Dev: Raven Insights
Windows
Historically inaccurate first-person puzzle game. Explore the ancient secrets of the Great Library and navigate through mystical mazes. Manipulate and combine the powers of Force, Energy and Matter to ascend a tower with challenges that rise along with your altitude.
Why similar: Science 44.3%, Logic 16.4%, Puzzle 14.5%, Sci-fi 8.1%, Atmospheric 7.8%