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Steam News4 June 20261mo ago

build 0.1.21

Reworked sector metallicity into a scientifically grounded Zsun scale, with updated thresholds for planet formation, biospheres and life-related progression while preserving the intended gameplay pacing.

Full notes

Full Once Upon The Universe update

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What changed

0 fixes1 addition4 changes0 removals
  • Gameplay
  • Balance
changedReworked sector metallicity into a scientifically grounded Zsun scale, with updated thresholds for planet formation, biospheres and life-related progression while preserving the intended gameplay pacing.
changedRebalanced planet-star collisions: swallowed rocky planets now barely increase stellar mass, enrich future supernovas, and can trigger heavy-particle overload instability.
changedImproved first civilization tutorial guidance by centering and highlighting the inhabited planet after the double-click instruction.
changedImproved star system spacing to reduce overlapping planetary orbits and accidental planet collisions between neighboring systems.
addedAdded drifting matter generation.

Once Upon The Universe changes

changedReworked sector metallicity into a scientifically grounded Zsun scale, with updated thresholds for planet formation, biospheres and life-related progression while preserving the intended gameplay pacing.
changedRebalanced planet-star collisions: swallowed rocky planets now barely increase stellar mass, enrich future supernovas, and can trigger heavy-particle overload instability.
changedImproved first civilization tutorial guidance by centering and highlighting the inhabited planet after the double-click instruction.
changedImproved star system spacing to reduce overlapping planetary orbits and accidental planet collisions between neighboring systems.
addedAdded drifting matter generation.
  • Reworked sector metallicity into a scientifically grounded Zsun scale, with updated thresholds for planet formation, biospheres and life-related progression while preserving the intended gameplay pacing.

  • Rebalanced planet-star collisions: swallowed rocky planets now barely increase stellar mass, enrich future supernovas, and can trigger heavy-particle overload instability.

  • Improved first civilization tutorial guidance by centering and highlighting the inhabited planet after the double-click instruction.

  • Improved star system spacing to reduce overlapping planetary orbits and accidental planet collisions between neighboring systems.

  • Added drifting matter generation.

Source

Steam News / 4 June 2026

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