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Crack the Code

codebreakerlogic and deduction5 minutestwo players, head-to-headfree
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how a round goesEvery guess at the four-digit code comes back marked, until all four pegs fill and the lock opens.

A secret four-digit code each round. Every guess comes back marked — right digit, right place, or right digit wrong place. Fewest attempts takes the round.

Crack the Code is one of 15 free games on crisskross arena, a browser site for two people who are not in the same room. It runs on any phone, tablet or laptop with nothing to download, and the room has a video and voice call built in, so you can see each other while you play.

host a Crack the Code room→play the bot now

How to play Crack the Code with someone far away

  1. Open crisskross arena and sign in with Google — free, one tap, and only the host needs to.
  2. Find Crack the Code in the list and press host. The room opens with an invite link and a 5-character code.
  3. Send the link however you already talk — text, WhatsApp, Discord. The other person opens it, picks a name and a character, and joins.
  4. The video and voice call starts inside the room. Every move syncs live on both screens.

Crack the Code: questions people ask

Can you play Crack the Code online with someone long distance?

Yes. Crack the Code is one of the 15 free games on crisskross arena: one of you hosts a room and sends the invite link, the other opens it and joins, and you play on the same board from two phones or laptops in different places, with a video and voice call running inside the room.

Is Crack the Code free to play?

Yes. Crack the Code is free, with no ads, no paywall and nothing to download. It runs in the browser on any phone, tablet or laptop.

Do both players need an account to play Crack the Code?

No. Whoever hosts the room signs in with Google, which is free and takes one tap. Whoever joins only needs the invite link (or the room code) and a nickname.

How long does a game of Crack the Code take?

A round of Crack the Code takes about 5 minutes.

Can I play Crack the Code alone or on one device?

Yes. Crack the Code plays against a bot whenever the other person is busy or asleep.

Does Crack the Code have a video call built in?

Yes. Every crisskross room has a built-in video and voice call, so you can see and hear each other while you play Crack the Code without opening FaceTime, Zoom or Discord.

More games to play together

See all 15 games →