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Universe Sandbox

Universe Sandbox

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.

96%
Overwhelmingly Positive
DeveloperGiant Army
PublisherGiant Army
Release DateAug 24, 2015
-33%
$29.99$20.09
Peak Players745
PlatformsWindows · macOS
Early Access
Casual
Early Access
Indie
Simulation
AI Review Summary

Universe Sandbox is a premier physics-based astronomy simulator that has maintained strong developer support for over a decade. It offers a relaxing yet educational experience where players can simulate complex celestial events and 'what-if' scenarios, though it requires a capable PC to run smoothly.

Pros

  • Exceptional long-term developer support with consistent updates spanning over ten years.95%
  • Deeply engaging physics-based simulation of astronomical phenomena and gravity.90%
  • Highly educational and accessible for all ages, making it a great tool for curious minds.85%
  • Relaxing and 'chill' gameplay that serves as a perfect break from fast-paced titles.75%
  • Impressive performance optimization for handling complex gravitational calculations.65%

Cons

  • Controls and user interface can be clunky and difficult to master without external help.70%
  • The open-ended nature of the sandbox can lead to boredom for players who prefer structured objectives.60%
  • Recent updates have reportedly removed popular features, such as the random planet spawner.50%
  • Perceived lack of continued development and polish for the VR mode.45%
  • High hardware requirements necessitate a powerful PC to fully enjoy the simulation's potential.50%

Notable Mentions

  • The game has been actively updated for over a decade, which is rare for sandbox titles.
  • Reviewers frequently highlight its use as a bonding and educational tool for parents and children.
Confidence: 55%
Based on the 174 most relevant reviewsGenerated on Aug 23, 2026
Game Vitals

Live snapshot

Player Activity

Current peak
425
Peak · last 90 days
628
All-time peak
745

Price

Current price
$29.99$20.09-33%
Lowest tracked
$20.09since Dec 19, 2025

Review Sentiment

Launch week
—
Last 30 days
96%
All-time positive
96%
Review Statistics
Total Reviews32.1K
Positive: 30.9K (96%)Negative: 1.1K (4%)

1%

Reviews from Steam Deck

2%

Dev Response Rate

84h

Avg Playtime at Review

57%

Credible Reviews