Niantic has officially put to rest any concerns that Pokémon GO isn't a sustainable sensation, growing revenue from the title 35 percent over 2017 last year to an estimated $795 million worldwide, Sensor Tower Store Intelligence data shows. The game was pushed across the 2018 finish line by a strong December that saw global player spending on the App Store and Google Play exceed $75 million, an increase of 32 percent over the $57.2 million spent during the same month in 2017.

A consistent rollout of new features and content, capped off by the long-awaited arrival of head-to-head multiplayer, helped Pokémon GO revenue reach an average of nearly $2.2 million per day during 2018, up from $1.6 million in 2017.

Players in the United States spent the most in Pokémon GO go last year, to the tune of $262 million or 33 percent of all gross revenue—the same percentage they contributed in 2017. Japanese players, by comparison, spent about $239 million, or 30 percent of the game's revenue in 2018, up from the 25% they contributed in 2017.

With the books closed on 2018, Pokémon GO has amassed a total of $2.2 billion spent by players since launching in July 2016. Should Niantic continue to engage its player base to the degree it did in 2018, it's possible we'll see the game surpass $3 billion in lifetime revenue by the end of 2019.