Is Nuclear Fish 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.

Nuclear Fish

game.aboutGame

Nuclear Fish is a fun clicker game about radioactive mechanized fish. The goal of the game is to score as many points as possible. With beautiful graphics and simple control, this game is suitable for all ages. Perfect for killing time A fun, engaging browser game playable for free with no installation required — dive in and enjoy!