Games like Once Upon The Universe
If Once Upon The Universe is your kind of game, the closest matches are Galactic Simulator2: Stargate, Inspiral: Echoes of Gravity and The Fermi Paradox — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Once Upon The Universe: Once Upon The Universe is a god-game that takes you to the VERY beginning of creation. You begin the game just seconds after the big bang, with nothing but an empty space and a lot of super hot hydrogen in the entire universe. Fill the universe with life and watch it thrive - or destory it.
Players who liked Once Upon The Universe also play
Steam players who put hours into Once Upon The Universe also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Galactic Simulator2: Stargate
WHY THIS
Top pick for Once Upon The Universe fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon The Universe.
Galactic Simulator 2: Stargate is a roguelite simulation game inspired by the Fermi Paradox and the Great Filter. Pilot your ship, gather resources, build stargates, and discover other civilizations as you explore an ever-evolving galaxy.
Inspiral: Echoes of Gravity
WHY THIS
Second-strongest match for Once Upon The Universe fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon The Universe.
Start as an asteroid, grow by absorbing other celestial bodies to become a planet, a star, and ultimately a black hole. Experience realistic gravity and orbital physics in an ever-evolving sandbox universe.
The Fermi Paradox
WHY THIS
Third-strongest match for Once Upon The Universe fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon The Universe.
The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.
Space Haven
WHY THIS
Ranked #4 for Once Upon The Universe fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon The Universe.
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Solar Expanse - Space Exploration Manager
WHY THIS
Ranked #5 for Once Upon The Universe fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon The Universe.
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Celestial Command
WHY THIS
Ranked #6 for Once Upon The Universe fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon The Universe.
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Interstellar Pilot 2
WHY THIS
Ranked #7 for Once Upon The Universe fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon The Universe.
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Dyson Sphere Program
WHY THIS
Ranked #8 for Once Upon The Universe fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Once Upon The Universe.
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Cheaper alternatives
Games in the same vein priced at least 40% below Once Upon The Universe at current Steam store prices.
Garry's Mod
WHY THIS
Priced ~44% under Once Upon The Universe on Steam right now. Shares Indie and Simulation with Once Upon The Universe.
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Vampire Survivors
WHY THIS
Priced ~44% under Once Upon The Universe on Steam right now. Shares Indie with Once Upon The Universe.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
Cookie Clicker
WHY THIS
Priced ~44% under Once Upon The Universe on Steam right now. Shares Strategy and Indie with Once Upon The Universe.
An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.
WEBFISHING
WHY THIS
Priced ~44% under Once Upon The Universe on Steam right now. Shares Indie with Once Upon The Universe.
WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)
POSTAL 2
WHY THIS
Priced ~89% under Once Upon The Universe on Steam right now. Shares Indie with Once Upon The Universe.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
Plants vs. Zombies GOTY Edition
WHY THIS
Priced ~44% under Once Upon The Universe on Steam right now. Shares Strategy with Once Upon The Universe.
Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.
Buckshot Roulette
WHY THIS
Priced ~67% under Once Upon The Universe on Steam right now. Shares Indie and Simulation with Once Upon The Universe.
Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!
Brotato
WHY THIS
Priced ~44% under Once Upon The Universe on Steam right now. Shares Indie with Once Upon The Universe.
Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Ultimate Custom Night
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Once Upon The Universe.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Once Upon The Universe.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
Grimm's Hollow
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Once Upon The Universe.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
The Expendabros
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Once Upon The Universe.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
Steam Engine Simulator
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Once Upon The Universe.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
Star Fetchers
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Once Upon The Universe.
The introduction to a wild ride with gangsters and deep state conspiracy theories
Magic Archery
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Once Upon The Universe.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
Coloring Pixels
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Once Upon The Universe.
A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.
Narrow it down
Head-to-head comparisons
Frequently asked about Once Upon The Universe
- How much does Once Upon The Universe cost?
- Once Upon The Universe is listed on Steam at 8.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Once Upon The Universe?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Once Upon The Universe are Galactic Simulator2: Stargate, Inspiral: Echoes of Gravity, The Fermi Paradox.
- Who developed Once Upon The Universe?
- Once Upon The Universe was developed by Paweł Witkowski ByteEncode.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Once Upon The Universe.
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