Carlsberg just turned a blank city wall into a football pitch.
The brewer is bringing back its long-running "If Carlsberg did..." line for a summer campaign.
The centerpiece is a series of "Goal Posters," street-level installations created with agency Fold7.
These Goal Posters aren't just eye-catching OOH activations, but also double as makeshift goals, planted in real cities for anyone to walk up to and start playing.
As other brands chase big-name talent for their football ads, the effort sees Carlsberg handing the game back to ordinary fans.

The work sits inside the brand's five-year partnership with UEFA National Team Football, and it's using that platform differently than most sponsors.
It's an investment in access, giving people a reason to play and not just watch from the sidelines.
"Football can sometimes feel like something to admire from a distance," said Lynsey Woods, Carlsberg's Global Brand Director.
"If Carlsberg did football ads, we'd bring it back within reach."
The push is grounded in research showing a third of adults haven't kicked a ball around in more than six months, even as three-quarters of them plan to watch a match this summer.
This gap between watching and playing was what solidified the effort.
How Street Posters Become Playable
Each "Goal Poster" keeps the same look.
They display a simple white-outlined goal set against Carlsberg's green, disguised as a normal outdoor ad until someone notices it's playable.
Content creators and PR teams have been hosting impromptu kickabouts in front of the posters, feeding into event marketing meant to get people talking as much as playing.

The accompanying film contains this same contrast, opening on unwelcoming urban spaces before a green poster goes up, reveals itself as a goal, and sparks a spontaneous match.
It closes on the posters in use across different cities, viewing overlooked corners of town as places to play.
The first wave has landed at Sutton Walk and Shoreditch Tunnels in London and Bridge Street in Manchester.
Two more UK campaigns from Carlsberg are set to run through the rest of the summer as part of the same experiential marketing push.
Carlsberg is just one of many brands using the World Cup to rethink what a tournament activation looks like this summer.
Lego took a different approach from Carlsberg, building a nearly 27-foot World Cup trophy out of 1.36 million bricks at Rockefeller Plaza.
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Additionally, the landmark stunt was paired with a free fan zone and a retail lineup fans could buy into.
Compared to Lego's build, Carlsberg's play is smaller in scale but built on the same underlying instinct.
It attached itself to the tournament without paying for the marquee sponsorship slot.
Lego drew crowds with something too big to ignore; Carlsberg is doing the opposite, hiding its activation in plain sight until someone notices it's interactive.
At the end of the day, both campaigns convert foot traffic into brand moments.
An Access-Over-Endorsement Strategy
The campaign serves as a reflection of how brands are choosing to show up around major tournaments this summer, even if they aren't official partners to the Cup.
In Carlsberg's case, it sees itself as the brand that removes friction between fans and the sport itself.
The posters don't require a fan to travel to a stadium, download an app, or wait for a specific moment.
All they do is require a ball and a free five minutes:
- Compete on access, not budget: Carlsberg didn't try to outspend rival sponsors on talent. It found a cheaper, more personal way into the same global sporting event.
- Design for spontaneity: The posters work because they meet people where they already are, making use of high-traffic areas to get passers-by to come and play.
- Let real behavior be the proof: Carlsberg documented actual kickabouts happening in front of the posters as they occurred.
A wall that turns into a goal the moment someone looks twice — it's a simple idea, but one that's set to get eyes on the brand.
Our Take: What's the Real Product Here?
We don't think Carlsberg is selling beer in this one at all.
It's selling the five minutes before beer, the part where you're still sweaty and laughing because you just scored past your mate using a rolled-up jacket as the other post.
The brand disappears into the background and lets the kickabout do the talking.
If Carlsberg's effort works, nobody walking away from that goal will remember they were standing in an ad.
And yet, they will remember the brand.
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