PARIS — All of it started down a slim cobblestone street close to Place de la Bastille.

An artist affixed a mosaic of a Martian from the pioneering 1978 online game House Invaders to a wall. He used sq. lavatory tiles that resembled pixels.

Inside the yr, he had caught 146 extra to monuments, bridges and sidewalks.

He was cementing a mosaic to a church wall when the police arrested him for the primary time. He was not caught when he caught 10 up contained in the Louvre.

“I used to be invading public house with a mosaic of a small character whose function is to invade,” stated the artist, who goes by the road title Invader, throughout an interview in a personal room of a small gallery exhibiting his work in Paris. “I had discovered my factor, like the good artists who discovered their model.”

1 / 4-century later, it’s laborious to go quite a lot of blocks in a lot of Paris with out recognizing an Invader mosaic — should you look.

One friends down from a perch close to the highest of the Eiffel Tower. The silver eyes of one other glint from the fountain within the Place du Châtelet. A red-eyed beast glowers close to the Pompidou Artwork Gallery.

Together with Haussman house buildings and bridges spanning the Seine, Invader’s work has turn into a necessary a part of Paris’s aesthetic. They’re an intimate a part of the lives of some locals; many have fashioned volunteer groups to restore the broken and substitute the lacking, and others plan their weekends and holidays round discovering them.

His work continues to be technically unlawful; the worry of arrest is why he first took a pseudonym. (His anonymity has since turn into an intrinsic a part of his creative identification, and he agreed to be interviewed provided that his actual title was not used.) However the Hôtel de Ville, Paris’s metropolis corridor, put the artist’s work on the duvet of its poster promoting an exhibition celebrating avenue artwork. Mayor Anne Hidalgo known as the artist herself to request permission.

“What’s going to occur the subsequent time the police cease me on the road at 4 a.m.?” stated Invader, who has spent 10 nights in jail in Paris for vandalism, however by no means been formally charged. “Will they ask for an autograph or arrest me?”

His invasions have focused the underside of the Caribbean Sea and 22 miles up into the Earth’s ambiance, utilizing a white balloon earlier than such a factor raised suspicion. In 2019, a replica he made from his Astro Boy mosaic, which he had put up years earlier on a bridge in Tokyo, offered for $1.12 million at an public sale.

Final month, the French astronaut Thomas Pesquet despatched him an e mail, declaring he was a fan and providing to take one among his works to the moon. “Someway it made sense that his little aliens be up there in house, wanting down at us,” Mr. Pesquet defined.

Many love the artist’s unique idea that provides each nostalgia and a creepy prescience. Then there’s his sheer tenacity: He has put in greater than 4,000 items in 32 nations, together with round 1,500 in Paris.

“Who embodies Paris essentially the most? Invader,” stated Nicolas Laugero Lasserre, an skilled on avenue artwork and one among 4 curators of the town corridor present.

Connoisseurs of superb artwork additionally specific admiration for his work. “He’s fairly subtle,” stated Guillaume Piens, the top of the town’s spring artwork truthful, held within the Grand Palais. “Wherever you’re, while you see an Invader, you recognize it’s an Invader. It’s instantly recognizable.”

At a current present, Mr. Piens positioned a stall exhibiting Invader’s work below the pillar the place the artist had surreptitiously left a mosaic.

“He makes use of guerrilla ways,” Mr. Piens stated. “I really like this. It’s a part of the French psyche. We’re completely rebellious individuals.”

Thriller is a part of his attract, however Invader supplied up just a few private particulars: He grew up in a suburb of Paris, a inventive child with a darkroom in the home, and graduated from the famed École des Beaux-Arts. He’s “near 50.” He’s a swimmer and a vegetarian — the one trigger he has blended into his work. He sells copies of his mosaics at reveals and auctions, and self-publishes books.

Through the years, his subject material has expanded to incorporate cultural and historic references. In Paris, some really feel like an inside joke, others like a love tune.

On the Rue de Louvre hangs Invader’s personal Mona Lisa, subsequent to the electrical inexperienced signal of the Duluc Detective company — a nod to when the portray was stolen in 1911. Above the precise spot the place Sorbonne college students led protests in 1968 looms an invader with a raised fist. From a walled-in second-floor window, a sublime Nina Simone seems to be down on the jazz bar the place she as soon as carried out.

“I’m a part of the structure and the panorama of Paris,” stated Invader, who travels by scooter across the metropolis, admiring his personal work. “And it’s one thing that’s terribly thrilling for me.”

In 2014, he created an app, Flash Invaders, which permits followers to compete in opposition to each other to search out his items, scanning them with their telephones for factors. There’s a playful full-circle side to it: The pc sport was bodily artwork is now recaptured into the digital world. Two years earlier than Pokémon Go was launched, it set off a craze. Die-hard gamers organized their nights, weekends and holidays round Invader’s artwork. Matthieu Latrasse, a pilot at the moment holding the highest spot of 277,000 gamers, requested for routes towards them.

At dwelling, the hunt for mosaics has despatched Mr. Latrasse, 43, alongside medieval streets and to the town’s gritty edges. “I rediscovered the town the place I used to be born,” he stated.

It was not lengthy earlier than die-hard flashers found mosaics that had been broken or lacking — typically from theft — and started to restore and substitute them. Stunned, Invader despatched directions for what they’ve termed “reactivations.”

One small work close to a freeway has been changed six occasions by a fan who loves passing it on the drive to his mother and father’ dwelling.

“We’re simply blissful and proud to contribute to his oeuvre, so that they reappear,” stated Olivier Moquin, a safety skilled who’s a part of a workforce that has reactivated as much as 300 works.

Given his movie star, Invader is now much less anxious concerning the police whereas working at night time than he’s a few random fan with an iPhone who may unmask him on social media — the last word invasion of personal life by the digital world.

He may simply depart the streets and unveil his items in galleries.

However that doesn’t curiosity him. “It’s like taking a drug, or like a sexual act,” he stated. “If you make a wonderful piece within the metropolis at night time, and the subsequent day you go see it, it’s extraordinary.”

Plus, he doesn’t take into account his physique of labor completed.

Invader agreed to a masked picture shoot earlier than one among his items overlooking the Seine. Within the distance loomed the turrets of the Conciergerie — a medieval royal residence turned jail.

Noticing one among his assistants cleansing the tiles, a middle-aged girl approached. Assuming they had been fellow followers, she confided that she too had the app.

“Possibly sooner or later, we are going to meet him,” she stated. Invader, who had but to drag on his masks, stated he didn’t assume so.

The girl nodded, and replied, “That’s what makes his allure.”

Tom Nouvian contributed analysis.