How to Play Tic-Tac-Toe Online With Friends

Tic-Tac-Toe is not a deep game. That is the point of it.

It takes ninety seconds, it needs no explanation, and nobody has to be in the mood for it. When you are on a call with someone and the conversation has gone quiet, that combination is worth more than a game with a tutorial.

Here is how to play it online with someone, and how to stop every round ending in a draw.

Starting a game takes about thirty seconds

• Open the games page and pick Tic-Tac-Toe
• The game opens inside a room
• Send the room link to whoever you are playing
• They join from the browser and you take the first turn

There is nothing to install on either side, and no account needed to join a room you were invited to.

What the online version adds

It is the same game, with the bookkeeping removed:

• The score carries across rounds — so it becomes a series instead of one game
• It always shows whose turn it is — no "did you go yet?" over the call
• Play again restarts instantly — which is why one round almost never stays one round
• Other people in the room can watch — the board is live for everyone, not just the two playing
• It survives a dropped connection — if someone reconnects, the board is still there

Why you keep drawing

This is worth knowing, because most people assume they are doing something wrong. Tic-Tac-Toe is a solved game: if both players play correctly, it is a draw every single time. Always.

So winning is never about finding a clever move. It is about setting a trap and waiting for one inaccurate reply — and knowing which replies are inaccurate.

Four things that actually win games

1. Open in a corner, not the centre

The centre feels like the strong square, and it is — but that is exactly why it is a worse opening. After you take the centre, your opponent has four safe replies. After you take a corner, they have exactly one: the centre. Anything else loses.

A corner opening gives your opponent more ways to go wrong. That is the whole idea.

2. Think in threats, not squares

A threat is two of your marks in a line with the third square empty. Your opponent has to answer every threat immediately. As long as you keep making threats, you control what they are allowed to do.

3. Build a fork

A fork is one move that creates two threats at once. They can only block one, so the other one wins. Every Tic-Tac-Toe win, without exception, comes from a fork — so instead of looking for a winning square, look for the square that makes two lines at the same time.

4. Block forks before they exist

The other half of the same skill. When your opponent has two marks on opposite corners, they are one move from a fork. Take the centre or a side square to break it up before they get there, rather than blocking one threat and losing to the other.

Why it works for couples and quick breaks

The best thing about Tic-Tac-Toe over distance is how little it asks of you. Nobody has to be good at games, nobody has to learn anything, and losing does not sting — the next round starts immediately.

That makes it the right game for the ten minutes before a film starts, a break between work calls, or an evening where neither of you has the energy for a real conversation but you both want the company.

Ways to make it less repetitive

• Best of seven — one round is a coin flip, a series is not
• Speed rounds — five seconds a move, mistakes go up sharply
• Loser picks the next game — removes the "what now?" pause afterwards
• Winner has to explain the trap — surprisingly good, and it makes both of you better

Try a round

Open the games page, pick Tic-Tac-Toe, and send the link.

If you want something with a bit more thinking in it, Connect 4 is the natural next step, and the co-op jigsaw is the one to pick when you would rather talk than compete. There is an overview of all three games here.