Like millions of others in the past week, Boon Sheridan of Holyoke downloaded the Pokemon Go app Friday. But he noticed something weird.

His house was showing up on the game as a "gym" -- a place where you can train and fight Pokemon, according to BuzzFeed. The next morning, people started showing up at his house in droves.

"For the record, I've counted 15 people stopping by and lingering in their phones so far. I think at least three car visits as well," Sheridan tweeted Saturday. Earlier he had written, "11:20 and people are still driving up and idling for 5-10 minutes while they train."

Boon Sheridan, whose Holyoke home has been turned into a Pokemon Go "gym."

Pokemon Go is free-to-play mobile game that allows players to to capture, battle, train, and trade virtual Pokemon who appear throughout the real world. It was released last week, and the world freaked out.

Sheridan, a designer by trade, thinks his house was tagged as a "gym" in the popular game because it was once a church -- 40 years ago.

Gyms are picked "using points of information on a map, meaning that areas like parks or churches will usually get the designation," The Independent wrote of Sheridan's situation. But the app seems to have used an old version of the map.

On Sunday, Sheridan told BuzzFeed about 50 people had visited his house so far. Most are kids and teens arriving at all hours of the day and night, sitting and standing outside his house with their phones in hand.

Sheridan said he likes meeting some of the players, but is sort of creeped out over the late-night visitors. He said he'd like to speak to the game's developers about putting restrictions on when people can come to his house, or to perhaps move the gym to the nearby park.

"I'd be cool with it if I could have some control over the hours," he told Buzzfeed. "I'd rather them get it sorted out a little bit better."