Last 7 days · history since Nov 1, 2026
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94% positive of 37 · Positive · Live from Steam
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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.
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What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 94% on 2026-11-01 → 94% today (37 reviews)
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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
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Improved Harbinger diplomacy with action descriptions, context-sensitive diplomatic requirements, and simplified military alliance conditions. Experimental game speeds are now enabled by default. Improved the Technology Tree legend with visual indicators for a…
This update brings improvements to diplomacy for Creators controlling a Harbinger civilization, including a dedicated Harbinger Diplomacy view, new diplomatic actions, and military alliances. Harbinger Diplomacy: Harbingers can now directly manage diplomatic r…
Destroyed combat ships now have a chance to leave behind small amounts of heavy matter as debris. Atmospheric Event can now be cast from anywhere on a planet Surface, applying its effect to the entire planet. Vanity-blocked anomaly casts now show a dedicated a…
Planetary Focus.. something I personally felt was missing. Star and planet naming should also be more logical now. Have a great Friday! :) Added Planetary Focus - the Creator can now Inspire or Demand a civilization to prioritize a specific planetary building,…
Added Focus Military Action, allowing the Creator to direct a civilization war action against a chosen enemy while preventing peace negotiations until the focused conflict ends. Inactive building tooltips now show the specific resource shortage that caused the…
Simplified cultural bonus information in the Politics panel, with detailed trait effects now available through hover tooltips. Government changes influenced by the Creator now reset the civilization autonomous political review timer, preventing immediate regim…
Alright it's finally time to share something I've been cooking up on the side for a while! This update introduces a completely new stage of life creation, allowing players to experience the earliest moments of cellular evolution instead of simply bringing a ne…
Okay, I've been putting this one off for waaay too long... The military system has received a major overhaul, introducing new warship classes, modular ship designs, expanded combat mechanics, improved fleet management, and new strategic controls for Harbinger …
Vassalization SystemIntroduced new vassalization diplomatic actions, allowing stronger civilizations to establish dominance over weaker ones.Civilizations can become vassals through diplomatic agreements or as an outcome of war.Vassals surrender 15% of their r…
Do you have a favourite civilization you'd love to see succeed in its quest for interstellar domination? This update has you covered! And who doesn't enjoy playing favourites from time to time?Introducing Harbinger Civilization mode, a whole new way to play! P…
This update introduces the foundations of the Special Resources system. Unlike raw resources and industrial goods, Special Resources are extremely rare, cannot be traded, and must be discovered and collected through entirely different means.These exotic materi…
This update is mainly focused on clearing some tech debt and reworking the Population tab UI. Instead of the previous text dump it should be much clearer and easier to read now.Not flashy but necessary and beneficial in the long run :)Reworked civilization pop…
With this update, the second part of the Civilizations Cultures system is being introduced: Politics.A civilization's internal politics now determine how it interacts with its different cultures, how its society is structured and how it approaches other civili…
Civilization Cultures!Civilizations will now create and develop their own cultures based on their early background or colonial origins.Cultures develop additional traits over time, providing unique modifiers to civilizations. A culture can spread beyond the bo…
Ice caps and water evaporation. With this update, planet land surfaces will no longer have a fixed water-to-land ratio. Instead, it is now actively affected by the level of ice caps on the planet, which will grow and melt depending on the planet’s temperature.…