A Pokémon Go player found real monsters Wednesday in Lake Ronkonkoma — three men armed with a handgun who took his iPhone, Suffolk County police said.

The victim, 19, was walking on Lake Shore Drive about 5 p.m., playing the smartphone game when a gray four-door sedan with at least three people inside pulled alongside him, Fourth Squad detectives said.

A man in the front passenger seat told the victim to give him his phone. When the victim did not immediately comply, the passenger in the rear seat displayed a handgun.

The victim then handed over the phone and fled, police said.

A police spokeswoman Thursday said there is no indication the victim was lured to the spot by the suspects.

Pokémon Go has a “lure module,” a feature that can draw players to a specific location; nationwide, there have been reports of players being lured and then robbed.

The game involves players using their smartphones to track exotic cartoon monsters to various locations, where they then can capture them.

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Police said the investigation is continuing.

Anyone with information can call Crime Stoppers at 800-220-8477.