- #1 SpaceEngine
97% matchOverwhelmingly Positive96% of 14,936 reviews2019
Dev: Cosmographic Software
Windows
Median: 2.1 hrsMean: 47.7 hrs≥1hr: 66%
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Why similar: Casual 100%
- #2 SE VR World Demo
96% matchMostly Positive77% of 74 reviews2024
Dev: Sektan
Windows
This game is a playable technology showcase that introduces game mechanics which will be in a new game.
- #3 Resonite
96% matchVery Positive81% of 1,475 reviews2023
Dev: Yellow Dog Man Studios
Windows
Enter a novel digital universe with infinite possibilities. Whether you resonate with people around the world in a casual conversation, playing games and socializing or you riff off each other when creating anything from art to programming complex games, you'll find your place here.
Why similar: Game Development 57.3% ★, Software 17.5% ★, Utilities 17% ★, Casual 8.2%
- #4 Project Eagle: A 3D Interactive Mars Base
95% matchMostly Positive76% of 543 reviews2018
Dev: Blackbird Interactive
Windows
An interactive art demo that showcases what a future base on Mars could look like. Project Eagle isn't a game - but an exploration of mankind's possible future.
- #5 Earthlingo
94% matchVery Positive90% of 223 reviews2019
Dev: Earthlingo
Windows · Linux
Explore a planet, learn a language
Why similar: Casual 100%
- #6 Unreal Physics
94% matchMostly Positive74% of 221 reviews2024
Dev: Jilted Generation Productions
Windows
Unreal Physics is a exploration of in-game physics like never before, this dynamic 3D sandbox features a mesmerizing collection of demos, showcasing stunning visuals and realistic simulations. It's a playground of endless possibilities where creativity meets the cutting edge of physics technology
Why similar: Game Development 85.1% ★, Casual 14.9%
- #7 Homebrew - Patent Unknown
93% matchMostly Positive72% of 974 reviews2014
Dev: Copybugpaste
Windows
Median: 54 minMean: 12.4 hrs≥1hr: 47%
Unleash your creativity and craft anything from flying cars to jet-powered toilets.Fair warning: there's a learning curve. But once you've got it, the sky's the limit for your creations!While active development is paused, we focus preserving the game and keeping it accessible.
Why similar: Game Development 77.5% ★, Utilities 22.5% ★
- #8 Game Builder Tycoon - Prologue
92% matchMixed61% of 66 reviews2024
Dev: AM PlayhousePub: PlayWay S.A.
Windows · Mac · Linux
Game Builder Tycoon - Prologue is a free simulation game in which you begin your journey as an indie game developer. Personalize your character, craft hit games, manage marketing and research stuff. Create best game on the planet!
Why similar: Game Development 90.2% ★, Casual 9.8%
- #9 Universe Sandbox
90% matchOverwhelmingly Positive96% of 30,587 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.4 hrsMean: 23.5 hrs≥1hr: 71%
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.
Why similar: Casual 100%
- #10 Welcome to Light Fields
91% matchVery Positive95% of 281 reviews2018
Dev: Google
Windows
Median: 12 minMean: 6.7 hrs≥1hr: 27%
Welcome to Light Fields. Experience real-world reflections, depth, and translucence like never before in VR. Explore the Gamble House, Mosaic Tile House, and the Space Shuttle Discovery. These navigable stills showcase the emerging technology Google is using to power its next generation of VR content.
Why similar: Casual 100%
- #11 Machine World 2
91% matchMixed49% of 200 reviews2017
Dev: Trino GamesPub: Trino AB
Windows · Mac
Take control of a range of different machines and operate them in a unique environment. Each new game generates a new world, and it is yours to develop: Dig and build anything, anywhere! All machines have been carefully modelled down to small details.
- #12 One Dreamer: Prologue
89% matchOverwhelmingly Positive96% of 797 reviews2020
Dev: One Dreamer CompanyPub: F2House
Windows · Mac · Linux
Modify the world around you with pseudocode as you journey through blended realities and discover why Frank became a game developer in the first place.
Why similar: Game Development 90.2% ★, Casual 9.8%
- #13 ERRANTE
89% matchMostly Positive78% of 68 reviews2022
Dev: Errant Interactive
Windows
This is an experimental project, a sandbox life simulator that gives you the power to suggest how the game should evolve, which features we should focus on, which slice of life to tell and everything you can imagine.
- #14 The Planet Crafter: Prologue
86% matchOverwhelmingly Positive96% of 10,643 reviews2021
Dev: Miju Games
Windows
Median: 1.4 hrsMean: 3.9 hrs≥1hr: 55%
Experience the first stages of terraforming an entire planet in this space survival open world terraforming crafting game prologue. Explore, survive, collect, build your base then create oxygen, heat and pressure to make an hostile planet livable for humanity.
- #15 Space Mechanic Simulator: Prologue
87% matchMostly Positive80% of 64 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Space Mechanic Simulator: Prologue is a story prelude to the full version, which will introduce you to the world of cosmic repairs, greedy corporations, and cutting-edge technology.
- #16 Metaverse
88% matchMixed43% of 77 reviews2016
Dev: Metaware Limited, LLC
Windows · Mac
In Metaverse you will dig, discover, design, deploy, and defend. Explore, build upon, or tear apart your own procedurally generated voxel planet. And now in the early stages of our multiplayer implementation, help conquer or build the planets of others.
- #17 Omno: Prologue
85% matchVery Positive98% of 274 reviews2020
Dev: Jonas MankePub: Future Friends Games
Windows
Median: 18 minMean: 3.6 hrs≥1hr: 15%
A standalone mini-adventure introducing you to the world of Omno, an upcoming single player journey of discovery through an ancient world of wonders, where the power of a lost civilisation will carry you through forests, deserts and tundras - even to the clouds
Why similar: Casual 100%
- #18 Space Simulation Toolkit
84% matchVery Positive81% of 475 reviews2020
Dev: Pavel Kudinov
Windows
Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.
- #19 subROV : Underwater Discoveries
84% matchVery Positive91% of 66 reviews2022
Dev: sqr3lab
Windows
Pilot a remotely operated submarine and explore the oceans! Defy the darkness and crushing pressure of the deeps as you chart unknown regions and study new species of ocean life.
- #20 Cranium Conundrum
86% matchMixed42% of 86 reviews2016
Dev: Falling Star GamesPub: Sometimes You
Windows
Median: 3.2 hrsMean: 4.8 hrs≥1hr: 96%
Cranium Conundrum is a physics-based puzzle platformer taking place in the dream worlds that you create!
Why similar: Casual 100%
- #21 Plasma
82% matchVery Positive90% of 1,062 reviews2023
Dev: Dry CactusPub: Dry Licorice
Windows
Median: 30 minMean: 5.3 hrs≥1hr: 38%
Plasma is a pure engineering sandbox. Use advanced visual programming and robotics tools to create anything you can imagine.
Why similar: Game Development 100% ★
- #22 WorldMaker
81% matchMostly Positive73% of 110 reviews2022
Dev: Maker Interactive
Windows
WorldMaker is a tool for creative users that allows you to create photorealistic 3D Worlds using drag-and-drop controls. Transfer ideas directly from your head to a 3D World in seconds. Utilize our library of 1400 objects to create 3D Worlds quickly, with graphics powered by next-gen Unreal Engine 5
Why similar: Software 81.4% ★, Casual 18.6%
- #23 Dev Inc
81% matchMixed60% of 86 reviews2021
Dev: Huntah
Windows
An in depth game development simulation game
Why similar: Game Development 89.6% ★, Casual 10.4%
- #24 ST World
79% matchMixed63% of 84 reviews2023
Dev: ST Platform
Windows · Mac
Discover ST World - the next-generation voxel world! Build stunning high-resolution sandbox worlds with easy-to-use tools and AI features. Explore Riftwalkers' open-world adventures and join a thriving community.
Why similar: Software 58.8% ★, Utilities 41.2% ★
- #25 Irrational Exuberance: Prologue
79% matchVery Positive86% of 354 reviews2016
Dev: Buffalo Vision
Windows
Median: 18 minMean: 12.2 hrs≥1hr: 32%
Awaken on an asteroid in deep space, underneath comets and giant stars. Designed for HTC Vive, Prologue introduces the critically-acclaimed world of Irrational Exuberance—a fever dream of interstellar interactions. Take the first step on a journey of risk, wonder and discovery.
Why similar: Casual 100%
- #26 EarthKart: Google Maps Driving Simulator
76% matchVery Positive80% of 1,295 reviews2023
Dev: Colton HutchinsPub: Cold Hut Games
Windows · Mac
3D Google Earth Driving Simulator
Why similar: Casual 100%
- #27 WebbVR: The James Webb Space Telescope Virtual Experience
78% matchVery Positive90% of 70 reviews2018
Dev: Space Telescope Science Institute
Windows
Join the James Webb Space Telescope in orbit beyond the Moon and explore the universe from its perspective. Planetary systems are born, galaxies form, and stars emerge from within colorful nebulas—all before your eyes.
Why similar: Casual 100%
- #28 Sansar
78% matchMixed52% of 618 reviews2018
Dev: Sansar, Inc
Windows
THE ULTIMATE PLAYGROUND FOR CREATIVE MINDS AND VIRTUAL EXPLORERS. Experience anytime, anywhere on PC & VR!
Why similar: Casual 100%
- #29 Ocean World: Eden Crafters Prologue
72% matchVery Positive91% of 7,161 reviews2024
Dev: Osaris Games
Windows
Median: 1.3 hrsMean: 3.0 hrs≥1hr: 55%
Embark on a journey of survival, crafting, and automation in this free prologue introducing one of the planets you can transform in Eden Crafters – an upcoming open-world game that challenges you, alone or with friends, to turn a hostile planet into a habitable haven for humanity.
- #30 REAL MOON
74% matchMixed68% of 112 reviews2025
Dev: historia Inc.
Windows
Explore a precisely recreated lunar surface built from real data and a JAXA-backed simulation.
- #31 Mash Box
73% matchVery Positive90% of 942 reviews2024
Dev: Mash Games
Windows
Median: 1.1 hrsMean: 8.1 hrs≥1hr: 52%
Mash Box is a prototype sandbox game from an indie team, offering endless creative possibilities. Be part of its evolution with regular updates and help shape the tech foundation for future games. Dive in and influence the development of something special!
Why similar: Casual 100%
- #32 The Plane Effect Prologue
75% matchVery Positive86% of 160 reviews2021
Dev: Innovina/StudioKikuPub: PQube
Windows
Play the first 30 minutes of a dystopian isometric adventure, following a lonely office worker as he attempts to return home in the face of impossible odds. Experience a remarkable journey expertly brought to life with gorgeous visuals, crafted and tailored by VFX experts.
Why similar: Casual 100%
- #33 Lacuna Passage
77% matchMixed65% of 105 reviews2017
Dev: Candescent Games
Windows · Mac
Explore the vast terrains of Mars, generated from real NASA satellite data, and survive threats like dust storms by discovering randomized supply caches and habitats. Adventure on foot or in driveable rovers with this otherworldly first-person sandbox.
- #34 Generation Streets
75% matchMostly Positive74% of 204 reviews2020
Dev: Roman Shuvalov
Windows · Linux
Generation Streets - a game based on a real-world map. Load your hometown, find your home and this casual game will start giving you very unexpected impressions. In the free version of the game, only limited territories are available.
Why similar: Casual 100%
- #35 OUTBRK
71% matchVery Positive81% of 2,940 reviews2024
Dev: Sublime
Windows
Median: 4.9 hrsMean: 19.3 hrs≥1hr: 83%
Storm Chasing Simulator
Why similar: Casual 100%
- #36 Wildshape - Map Editor (free demo)
74% matchMostly Positive73% of 99 reviews2021
Dev: DLDevPub: Self Published
Windows · Mac · Linux
An all new way to create and play tabletop games in beautiful animated 3D maps!
Why similar: Software 51.8% ★, Utilities 48.2% ★
- #37 Realities
73% matchMostly Positive74% of 266 reviews2016
Dev: realities.io
Windows
Median: 24 minMean: 7.4 hrs≥1hr: 29%
Explore what was out of reach before - travel to mesmerizing real world places and discover their stories!
- #38 Elsewhere
69% matchVery Positive95% of 64 reviews2025
Dev: Four White Cats
Windows
Explore, dig for resources, and build factories in a vibrant open world with quests for both technological and magical progression. Inspired by classic old-school Minecraft modpacks and featuring many new and unique features.
- #39 SenS
72% matchMostly Positive75% of 52 reviews2022
Dev: Limasse Five
Windows
In the Beginning was the Nothingness... Enter the Unknown, explore the Infinite, find your own SenS.
Why similar: Game Development 100% ★
- #40 PolyDome
73% matchVery Positive89% of 54 reviews2016
Dev: Plan8
Windows
Step into the Polydome, a musical environment that changes and progresses when you interact with it.
Why similar: Casual 100%
- #41 Demolish & Build 3 Prologue
70% matchMostly Positive71% of 83 reviews2024
Dev: Demolish Games S.A.
Windows
Demolish & Build 3 Prologue is a sneak peek at the driving, demolition, building mechanics and physics from the upcoming Demolition & Build 3. In the game, you demolish old structures and build new, both with hand tools and heavy duty machines.
Why similar: Casual 100%
- #42 Emergence
71% matchVery Positive84% of 98 reviews2020
Dev: Universal Everything
Windows
An awe-inspiring open-world VR art experience exploring human behaviour, the individual and the collective. Immerse yourself among thousands of strangers. Watch from above as your movements influence the crowd in changing environments that are both wondrous and intimidating.
Why similar: Casual 100%
- #43 OVERVIEW (A Walk Through The Universe)
71% matchMostly Positive73% of 122 reviews2018
Dev: Orbital Views
Windows
Overview is a mind-changing experience about our position in the Universe. With a narrative and an interactive mode, it features realistic imagery and accurate data to leave you in awe and wonder at the vastness of the Cosmos.
Why similar: Casual 100%
- #44 THE MULLER-POWELL PRINCIPLE: Foreword
67% matchVery Positive82% of 265 reviews2023
Dev: Three Dots GamesPub: Take Aim Games
Windows
This prologue was created to present an overall concept of the main game through a pair of gameplay hours to introduce you to some of the game’s mechanics, creatures, and ideas.
- #45 Under Pressure
68% matchVery Positive91% of 82 reviews2023
Dev: Antibore
Windows
What happens when you make a VR game only about Pressure Washers? From cleaning any object imaginable, playing soccer or volleyball up to flying - Under Pressure is a multiplayer playground that’s all around what you can do with a power washer in your hands.
Why similar: Casual 100%
- #46 Planetary Life
64% matchOverwhelmingly Positive95% of 743 reviews2025
Dev: Sotenbox
Windows
Median: 3.5 hrsMean: 7.9 hrs≥1hr: 86%
Manipulate climate, add plants and evolve creatures in this planet and life sandbox simulation game. From cells to civilizations, spread life throughout the whole planet. Or just enjoy watching your creation burn!
- #47 Project Rebearth
65% matchMostly Positive73% of 154 reviews2026
Dev: Program Sam
Windows · Mac · Linux
A massive online multiplayer where everyone plays on an exact replica of planet earth. The game is set 1000 years into the future where you rebuild society. Grow your town, trade with other players, face challenges and discover the rich history of this suspiciously empty planet.
Why similar: Casual 100%
- #48 StarbaseSim
65% matchVery Positive97% of 59 reviews2025
Dev: AshtorakSimGames
Windows · Linux
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
- #49 Drive Thru Simulator : Prologue
67% matchMixed43% of 127 reviews2025
Dev: Red Axe Games
Windows
Drive Thru Simulator is a simulation game that immerses you in the exciting world of fast food restaurant management. Take customer orders, prepare their meals, process payments, and expand your restaurant!
Why similar: Casual 100%
- #50 Retrowave World
66% matchMixed69% of 417 reviews2024
Dev: RewindApp
Windows
Median: 3.3 hrsMean: 8.2 hrs≥1hr: 75%
Neon lights, palm trees, synthwave, chrome robot women, speeding 80s supercars... Welcome to Retrowave World!
- #51 Train Station Renovation - First Job
66% matchVery Positive86% of 865 reviews2020
Dev: Live Motion Games
Windows
Median: 48 minMean: 4.9 hrs≥1hr: 44%
Welcome to the prologue to Train Station Renovation. This is where you will learn and teach how to renovate these small and the largest train stations in the world.
Why similar: Casual 100%
- #52 The Orville - Interactive Fan Experience
66% matchVery Positive90% of 1,023 reviews2019
Dev: Messy Desk Interactive
Windows · Mac
Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!
Why similar: Casual 100%