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Marcio Jose Sanchez, File, Associated Press
FILE - In this Wednesday, July 20, 2016, file photo "Pokemon Go" players begin a group walk along the Embarcadero in San Francisco. Die-hard players and one industry observer say the mass hysteria of the augmented reality smartphone game ‘Pokemon Go’ is likely over. It’s a sigh of relief for some businesses who last summer complained of disrespectful crowds and trespassers and a wistful notion for players who bonded with strangers over the game on city streets and public squares.

PORTLAND, Maine — Few games have enjoyed both the meteoric rise and subsequent fall in popularity as "Pokemon Go."

But the augmented-reality game remains profitable, and people are still playing, even if there aren't the same throngs of people roaming parks with their eyes glued to their smartphones, looking for elusive virtual monsters from their childhood to appear right in front of them.

Some businesses and landmarks that last summer complained of disrespectful crowds and trespassers looking for Pokemon characters are probably happy that the game is past its heyday.

Still, the game has generated $1 billion revenue, and Niantic CEO John Hanke has insisted in recent interviews that "Pokemon Go" is no passing fad.

The game is trying to excite die-hard, lapsed and new players by the recent introduction of new virtual monsters and events set around holidays like Easter.