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Once Upon The Universe

94% positive of 36 Steam reviews

View on Steam
Released
2026
Steam Deck
Not tested
Platforms
Steam

Made by Paweł Witkowski ByteEncode.

About the game

Once Upon The Universe is a god-game that takes you to the VERY beginning of creation. You begin the game just 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.

Tagged by players

  • God Game
  • Space Sim
  • Life Sim
  • Sandbox
  • Space
  • Sci-fi
  • Pixel Graphics
  • Strategy
  • Simulation

What players say

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Positive

What players say

  • Recommended
    I had to start a new game about 5 times to actually understand how to create a working stable colony but man. when i finally did it i became obsessed! Im also happy to see the game still gets updates!!Its an amazing game for space nerds

    7.8 h played when written. 1 found it helpful.

    Read on Steam
  • Recommended
    Wow this is a cool game. I got to say it is in fact very fun and well made, obviously like any game its not going to be perfect, there will be bugs and i'm not going say just good things about it. it can be slightly Mind numbing some times but thars only sometimes. But i think with how Ambitious this project is, it has been Very well thought out and well made. the civilization system is very intresting and how they…

    3.6 h played when written. 1 found it helpful.

    Read on Steam
  • Not recommended
    The game is skin and bones at the moment. Most of the things you can do don't matter and you constantly have to babysit the universe to keep it going. Civilizations progress really fast and you have no need to influence them in the slightest until they reach the space age. I am, however, looking forward to what the game developer has in store for the future.

    4.7 h played when written. 0 found it helpful.

    Read on Steam
All reviews on Steam