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Diep.io

A tank shooting polygons for experience, then branching down a surprisingly deep upgrade tree, from the maker of Agar.io.

Opens in a new tab. We do not control this site and it may have changed since we catalogued it.

How to get the most from it

Diep.io sits in .io Arenas under Play, filed as instant.

  • Just open it. It pays off within seconds, with nothing to read first.
  • Use a laptop or desktop computer — we file it as desktop only.
  • It works with the sound off, so it is fine on a train or in a quiet office.
  • No account needed — you can start without signing up.
  • Go in expecting something competitive and brainy.

About this category: Open a tab, get dropped into a live match with strangers, die embarrassingly fast, immediately respawn. The purest loop the browser ever produced.

Good for

  • A five-second distraction
  • Chasing a better score
  • Giving your brain a workout
  • A quiet break at your desk
  • Trying it with zero commitment

Diep.io: quick answers

Is Diep.io free?

Yes. Diep.io is free to use and needs no account.

Do I need an account to use Diep.io?

No. You can use Diep.io without signing up for anything.

Does Diep.io work on a phone?

Not well. We file Diep.io as desktop only, so open it on a laptop or desktop computer.

Is Diep.io safe for work?

Yes, we file it as safe for work. It also works muted.

How long does Diep.io take?

We file it as "Instant": Good within five seconds of loading.

More in .io Arenas

All 14 in .io Arenas
  • A gentler descendant of Diep.io where you assemble a ring of petals around a flower and farm increasingly rude insects.

    • 10 min
    • Desktop
  • A voxel arena shooter that holds a high frame rate in a browser tab, with custom lobbies, a map editor and no install.

    • <1 min
    • Desktop
  • Capture the flag with bows and low-poly castles, where arcing a shot over a wall beats raw reflexes almost every time.

    • 10 min
    • Desktop
  • Claim territory by driving loops around it while everyone else tries to clip your tail before you make it home.

Same mood: competitive

All competitive sites
  • The deck-building game that invented the genre, officially online, with a free rotating selection of kingdom cards.

    • 10 min
    • Desktop
  • A curated DOS library with working touch controls, which makes it the rare emulator front end that is usable on a phone.

  • Isometric hack-and-slash that runs in the browser and does a competent impression of Diablo with nothing to install.

    • 1 hr+
    • Desktop
  • Team drawing race: two teams, one word, and the first side to guess it takes the round. Faster and shoutier than the alternatives.

Keep exploring

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