71 is a team-based free-for-all adventure game that takes place in the ocean. is the next-gen successor of the famous io game. is an addictive underwater world where incredible adventures and funny battles are waiting for you! Start playing with a small Queen fish and grow your school over time. You will meet different ocean dwellers during your underwater adventure. Some of them will gladly join your school while another will go hostile. You will find many game secrets which will help you in becoming the true master of the deeps of!


  • Use mouse pointer to direct your Queen fish.
  • Use left mouse button or W key to attack.
  • Use right mouse button or Space key to merge your creatures.
  • Hold right mouse button or Space for a long period of time to devour your own creatures.
  • Use mouse wheel or + and - keys to zoom view in and out.

How to play

Start playing with a single Queen fish. Feed it with ocean food. Queen fish will give birth to piranhas. Grow your school of fish and merge it to make it stronger. Meet other ocean dwellers and join them into your school. And of course - fight other players!
Protect your Queen fish. The game will end if your Queen fish dies. Try to defeat the other player's Queen fish and grab their school - this is the fastest way to grow your school bigger. However it is more dangerous at the same time.
Collect free ocean dwellers - they will join your school. Good luck in your ocean journey!