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In April, Niantic's Pokémon Go amassed $34.7 million in revenue, the lowest monthly total for the RPG in five years.
As reported by MobileGamer.biz, per data from AppMagic, it was still the twelfth highest-grossing game worldwide for the month.
The revenue drop may partly be attributed to a change in one of the game's features.
On March 30, Niantic increased the price for remote raid passes and limited them to five remote raids per day. The feature allows users to take part in raids without leaving home.
According to Sensor Tower, Pokémon Go hit $6 billion in lifetime consumer spending last year.
Read more on gamesindustry.biz