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Fans of cosmic evolution sims will find Protosphere impossible to put down once they start nurturing their own world. You begin with a simple molten ball and transform it into a thriving garden through rhythmic taps. Each interaction generates a full day of life for your orb while helping it cool into crust and oceans. Upgrading your core strength or automation tools ensures your planet keeps evolving even when you step away from the screen. Watching your world shift through eras from volcanic chaos to glowing city lights creates a satisfying cycle of progress. You can reset your cycle into a new cosmos to collect aether and gain permanent boosts for your next run. This idle clicker keeps the action moving forward without forcing you to watch constant interruptions. Play Protosphere for free right now in your browser with zero downloads required.
Tap the planet to grant days of life. Open Upgrades: Core makes taps stronger, Time grants days every second, Cosmos adds crits and bonuses. Watch the era label above the planet — the look changes from lava to a stellar garden. In Boost you can watch an ad for a temporary bonus or reset into New Cosmos and keep aether. Achievements and the chronicle unlock as the world grows.
Casual gamers who enjoy satisfying progression systems and idle mechanics will love managing their own celestial bodies. Fans of relaxing clickers who want a low-pressure environment to build and watch their universe expand will find endless entertainment in this simple yet deep journey through planetary history.
You earn more by purchasing core upgrades to increase tap power and time upgrades for passive income.
The planet continues to gain days of life even while you are offline, though you need a connection to open the game in your browser.
Resetting collapses your current world into a singularity to grant you aether, which provides powerful permanent bonuses for your next playthrough.