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First time triggered a gravitational wave scan.

Astronomy EnthusiastⅠ

Trigger a gravitational wave scan 10 times.

Astronomy EnthusiastⅡ

Trigger a gravitational wave scan 100 times.

Astronomy EnthusiastⅢ

Trigger a gravitational wave scan 1000 times.

AstronomerⅠ

Trigger a gravitational wave scan 10000 times.

AstronomerⅡ

Hit the Jackpot

First Spark

Organic molecules have been discovered on a planet.

Building Blocks

Prokaryotic cells have been discovered on a planet.

Life Begins

Eukaryotic cells have been discovered on a planet.

Cellular Complexity

Multicellular organisms have been discovered on a planet.

Life’s Diversity

Intelligent organisms have been discovered on a planet.

Sentient Life

Life on a planet has reached the Tribal Stage.

First Communities

Life on a planet has reached the Civilization Stage.

Rise of Civilization

Gene ExperimentⅠ

Gene ExperimentⅡ

First time finish observing celestial bodies.

JanitorⅠ

Finish observing celestial bodies 10 times.

JanitorⅡ

Finish observing celestial bodies 100 times.

 JanitorⅢ

Green Giant Star

Popular as hell

Traveler

Type I Civilization

First experience with the Great Filter failed.

Great Filter

First Interstellar Expansion of Civilization

Interstellar Expansion

Galactic Simulator is a clicker game based on the Fermi Paradox and the Great Filter theory. Players can simulate the evolution of celestial bodies and civilizations in the galaxy from an observer's perspective. The game supports multiplayer mode. Create a unique galaxy with friends!

Galactic Simulator is a clicker game based on the Fermi Paradox and the Great Filter theory. Players can simulate the evolution of celestial bodies and civilizations in the galaxy from an observer's perspective. <h2 class="bb_tag" >Fermi Paradox</h2>As of now, there is no reliable evidence to suggest that extraterrestrials have visited Earth.— &quot;Where are they?&quot;<h2 class="bb_tag" >Drake equation</h2>N = R* × Fp × Ne × Fl × Fi × Fc × L    N：The number of detectable extraterrestrial civilizations in the galaxy    R*：The rate of formation of stars in the galaxy    Fp：The fraction of those stars with planetary systems    Ne：The number of planets, per solar system, with an environment suitable for organic life    Fl：The fraction of those suitable planets whereon organic life appears    Fi：The fraction of life-bearing planets whereon intelligent life appears    Fc：The probability of a civilization emitting detectable signals    L：The lifespan of a civilizationThe Drake Equation helps us understand the probability of extraterrestrial civilizations existing. Galactic Simulator implements all the components of this formula.<h2 class="bb_tag" >The Great Filter</h2>The Great Filter is the idea that, in the development of life from the earliest stages of abiogenesis to reaching the highest levels of development on the Kardashev scale, there is a barrier to development that makes detectable extraterrestrial life exceedingly rare. According to the theory, Galactic Simulator defines the following Great Filters (evolutionary stages):<ul class="bb_ul"><li> Suitable stellar systems and potentially habitable planets</li><li> Organic molecules (e.g., RNA)</li><li> Prokaryotic cells</li><li> Eukaryotic cells </li><li> Multicellular Organism</li><li> Intelligent Organism</li><li>Tribal Stage</li><li> Civilizational stage</li></ul>Civilizations have a probability of failing at various stages of the Great Filter.<h2 class="bb_tag" >Civilization Levels (Kardashev Scale)</h2>Once a planet reaches the civilization stage, it begins to develop its level of civilization, measured by the Kardashev Scale.<h2 class="bb_tag" >Unique Planets</h2>Each planet has its own unique appearance and is fitted with real-world physical data.<h2 class="bb_tag" >Game Controls</h2>If you're unfamiliar with the above theoretical background, don't worry—the game isn't complicated. There are only a few key click actions, and it provides detailed explanations and auto-completion options.Even without any player input, the galaxy will evolve over time on its own.Tips on in-game camera controls: WASD to move, Q/E to rotate, Z/C to zoom<h2 class="bb_tag" >Game Modes</h2><ul class="bb_ul"><li>Casual Mode：The success rate of most in-game events and the Great Filter is set to 50%.</li><li>Realistic Mode：More realistic success rates and data to simulate the real world.</li><li>Sandbox Mode: No resource use or generation, can advance universe time.</li></ul><h2 class="bb_tag" >More Features</h2><ul class="bb_ul"><li>The game supports multiplayer mode. Create a unique galaxy with friends!</li><li>Supports leaderboards, letting players worldwide see your unique planet.</li><li>Supports screensaver mode for a stunning display of your galaxy—best experienced in full screen!</li></ul>

Good Game Database

Galactic Simulator Achievements