Is Cosmic Clicker free to play?

Yes, 100% free — no download, no account, no payment. Open your browser and play instantly.

Does it work on mobile?

Yes. The game uses HTML5 and runs on Chrome, Safari and Firefox on Android and iOS devices.

How do I save my progress?

Progress auto-saves to your browser's local storage. Avoid clearing browser data to keep your save file.

Can I play with a friend?

Some modes support local 2-player on the same device. Check the main menu for multiplayer or co-op options.

The game is lagging — what can I do?

Close other browser tabs to free up memory, or try a different browser. Chrome generally provides the best performance for HTML5 games.

Cosmic Clicker

game.aboutGame

Cosmic Clicker is a highly engaging and monetizable idle clicker game set in a vibrant, stylized cosmos. The core loop is simple and addictive: click celestial objects to earn points, spend them on strategic upgrades, and watch your score soar into the trillions. With deep progression systems including missions, achievements, permanent upgrades, and a prestige Rebirth mechanic, the game is built for long-term player retention.