Cardumen - Free Online Fish School Game

Play Cardumen online for free on Apio Games. Gather a school of fish, switch formations, dodge predators, rescue strays, and survive the open sea. It runs directly in the browser on mobile or desktop, with no download and no account.

Cardumen is a fluid ocean action game where you begin as one fish and gather a growing school. Steer the group through reefs, currents, predators, and formation challenges while rescuing stray fish on the way to the lunar sanctuary.

How to play Cardumen: Move as One

  1. Drag anywhere, use the mouse, or press WASD to steer the whole school.
  2. Swim into glowing fish to gather them and grow your school.
  3. Switch between Dart, Bloom, and Shell formations to face different dangers.
  4. Collect echoes to charge your pulse, then use it to clear nearby threats.
  5. Keep the school together and reach the lunar sanctuary.

Game features

  • Fluid school-of-fish movement
  • Three tactical formations
  • Ocean predators, reefs, waves, and currents
  • Upgrades and evolving abilities
  • Touch, mouse, and keyboard controls
  • No download required

Tips for Cardumen: Move as One

  • Use Dart to slip through narrow gaps and move quickly.
  • Choose Bloom when you need to gather or rescue scattered fish.
  • Switch to Shell before a wave or predator reaches the school.
  • Save a charged pulse for crowded or dangerous stretches.

Frequently asked questions

What is Cardumen: Move as One?

Cardumen is a fluid ocean action game where you begin as one fish and gather a growing school. Steer the group through reefs, currents, predators, and formation challenges while rescuing stray fish on the way to the lunar sanctuary.

Is Cardumen: Move as One free to play?

Yes. Cardumen: Move as One is completely free to play on Apio Games, directly in your browser. No payment, subscription, or download required.

Can I play Cardumen: Move as One on mobile?

Yes. Cardumen: Move as One works on mobile and desktop browsers with touch-friendly controls, so you can play on your phone or tablet without installing an app.

Do I need an account to play Cardumen: Move as One?

No. You can play Cardumen: Move as One on Apio Games without creating an account or sharing any personal information.

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Canonical URL: https://apio.games/en/games/cardumen/