Fiveaside: a real five-a-side match that fits in a browser tab

01  What it is

Fiveaside is a five-a-side football game that runs entirely in a browser tab. Two sides of five — a goalkeeper and four outfielders each — play one short match on one pitch. There is nothing to install, no account and no download: the page loads and the ball is on the centre spot.

A match is two sixty-second halves, which the scoreboard renders as a full 90 minutes, so a complete game including the final card takes about two minutes. It is built mobile-first, which means the same game plays one-handed on a phone in portrait and on a laptop keyboard. The pitch is drawn in code — a floodlit street-futsal surface at dusk — and every club, kit and crest in it is invented for the game. No real teams, no leagues, no players.

02  How a match works, and why it never stops

Two sixty-second halves, with the clock converted into football minutes from 0' to 90' so a goal in the second half reads like one. When a goal goes in, the side that conceded kicks off again. If the scores are level when the second half ends the match goes to golden goal — the next goal wins it, and the card says so.

The rules have been trimmed to the parts that keep a two-minute game moving. There are no throw-ins, no corners and no free kicks: the ball rebounds off the touchlines and off the end walls, so it is almost never out of play. That is an arcade choice rather than a simulation one, and it changes how you play, because the wall is a teammate — a ball knocked off the touchline comes back into the pitch instead of ending your attack.

03  One player, two buttons, no roster juggling

You never choose which of your players to be. The game hands you whichever outfielder is nearest the ball, and holds that choice until somebody else is clearly closer, so control does not flicker between two players running together. On a phone that is a left-thumb stick and two right-thumb buttons; on a desktop, WASD or the arrow keys, J to pass, and Space held to shoot.

Hold is the interesting one: a ring around your player fills while you hold and the shot leaves when you release, so pace is something you choose. The charge tops out in well under a second. Passing is aimed for you — press pass and the game picks the best-placed teammate ahead of the ball and leads the run slightly, so you are choosing when to release the ball rather than which pixel to hit. Shots work the same way: the ball always goes at goal with a spread across the mouth, so you cannot paint a corner on demand. What you control is where you are standing when you strike it, and how hard.

04  The AI is the game

Ten players move at once and only one of them is you. Your four teammates push ahead of the ball to offer a pass and hold width so the middle stays open; the opposition does the same in reverse, with one defender pressing the ball while the rest drop goal-side and mark space instead of swarming the carrier.

Losing the ball is a contest rather than a dice roll. An opponent whose foot is close to the ball can knock it loose, and the chance falls away sharply with distance — so a carrier who stands still with a defender over the ball gets robbed, while one running away from a trailing defender keeps it. That is what makes a quick pass worth more than a hopeful dribble.

The keeper is the opponent you will think about most. It reads the line of a struck ball and commits to a dive across the mouth, but it misjudges where the shot is going, and it misjudges more the harder the ball is travelling. Pace gives it less time to read; a shot that crosses away from where it has committed goes in. A tame ball hit at the middle of the goal is smothered almost every time.

05  Six clubs, six genuinely different matches

Every side plays a style, and the style is not cosmetic — it changes what the AI does with the ball, how many players come to tackle you, how high the defence sits and how early it shoots. Your own pick sets how your four teammates behave, so choosing a club is choosing a way to play rather than a colour of shirt.

• Harbour Athletic — patient build-up. Moves the ball out of pressure early and turns down the long-range shot. Press it in pairs, or it will pass around you all match.
• Ember FC — high press. A second player joins the tackle and the back line squeezes up behind it, so you get almost no time on the ball. Beat the first presser with one pass and the space behind is enormous.
• Verde Rovers — wing overloads. Stretches to both touchlines and attacks from the flanks, using the rebounding walls to keep wide balls alive. Stay central and make it cross.
• Solaris United — direct and fearless. Shoots from anywhere it can see the goal and rarely passes, which makes it wasteful and genuinely dangerous the moment your keeper is off its line. Deny it a clean sight of goal.
• Frost City — deep block, fast break. Defends with everyone behind the ball, so there is almost never a gap to shoot through, then breaks at your goal the instant it wins possession. Keep one player home.
• Marigold SC — balanced. One player presses, the shape holds its normal height and width, and it shoots from sensible range. The fairest test of your own play.

06  The card at the end, and what the game remembers

The whistle gives you a final card: both clubs, the scoreline, the date, and a one-line description of how the match actually went, written from the goal events rather than invented. A comeback from two goals down reads "Comeback win"; a game that finished level reads "Honours even"; a goal in extra time reads "Golden-goal winner".

The card is a real image generated on your own device — share it, download the PNG, or copy the link. There is no leaderboard, no ranking and no account, so sharing is a screenshot rather than a submission. The game stores only your most recent result, in your own browser, so the title screen can show you the last score when you come back.

07  What it is not

It is not a management game or a career mode: no leagues, no tournaments, no transfers, no squad selection and no progression to grind — one club, one match, one card, then play again. It is also not eleven-a-side and not a simulation: no offsides, no fouls, no corners and no substitutions, because every one of those would stop the clock on a game that is only two minutes long. And there is no online multiplayer; you play a single match against the AI.

08  Questions people ask

Is Fiveaside free, and do I need an account?

It is completely free to play and supported by ads. There is no sign-up, no login and no account of any kind — open the page and kick off. Nothing to install and nothing to download.

Can I play it on my phone?

Yes. Fiveaside is built mobile-first: a left-thumb joystick to move and Pass and Shoot buttons under your right thumb, with the pitch sized to fit a phone in portrait. On a desktop it plays with WASD or the arrow keys, J to pass and Space held to power a shot.

How long does one match take?

About two minutes. A match is two sixty-second halves, shown on the scoreboard as football minutes from 0' to 90'. Add the goal celebrations and the final card and a full game from kick-off to shared scoreline is around two to three minutes.

What happens if the score is level at full time?

The match goes to golden goal — the next goal wins it, and the final card calls it a golden-goal winner. If neither side scores in extra time it stays a draw and the card reads "Honours even".

Are the clubs and players real?

No. Every club name, kit colour, crest and player in Fiveaside is invented for the game. There are no real teams, leagues, competitions, sponsors or players anywhere in it — the football is the generic sport, the identities are ours.

Can I play against a friend?

Not at the moment. Fiveaside is single-player against the AI — there is no online or local multiplayer, and no accounts to play under. You pick a side, play a match against the computer, and share the result card afterwards.

09  More from the shelf

• Tilewright — Draw seven tiles. Outword the AI.
• Chess — Beat the engine. Post the win.
• Tierforge — Drag anything into tiers. Post the card.
• Dominoes — Match the ends. Block them out.

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