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Deep Io is a multiplayer game in style, where there are sharks, fish, crabs, squids, etc. trying to survive by consuming each other.

You will find yourself in the deep ocean, where survival among various sea creatures awaits. In the beginning, you play the role of a little fish, and your task is to find food, such as small glow balls or other smaller sea creatures. The more experience you gain, the faster you transform into a new, bigger, stronger creature.

Surviving in the vast ocean is not easy, but possible! Some of the sea creatures will be fish, crabs, seagulls, dolphins, and even sharks. Each of the above creatures has its strengths and weaknesses. Their characteristics should be learned thoroughly during playing time.

Gather food and transform into a large, powerful creature by eating the smaller creatures, or you will become their food. Eating other players also gives you a lot of points. Try to consume as many other players as you can to reach the top of the leaderboard. Good luck!


Deep Io, in particular, has captured the hearts of players all over the world thanks to its adorable and minimalist graphic design. With simple gameplay, you can easily enjoy the game without needing too much professional skill.

If you are bored, Deep Io is a good choice to kill time.

How to play


  • To move, use the mouse.
  • Click to use the boost (might miss if too close).
  • Enter to chat (will reveal your position).
  • M to hide/show chat messages.
  • ESC to show the main menu.

You can hit any animal except for those of the same species (this doesn’t apply to sharks; they can eat other sharks too).

If you are hit by someone stronger than you, you will get 15% slower for 5 seconds.

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