PUBG Mobile made over $226 million in revenue last month, up 41% year-over-year and making it the top mobile game worldwide by revenue for the month.
According to Sensor Tower, it was followed by Honor of Kings, which made over $226 million -- up 42% year-over-year.
95% of Honor of Kings' revenue and 53% of PUBG Mobile's revenue came from China.
The top five mobile games -- which also included Roblox, Monster Strike, and Coin Master -- all held their positions from the previous month in terms of revenue.
Appearing in the top 10 for the first time at No.6 was Three Kingdoms Strategic, a title from Alibaba that brought in $85.4 million last month and is nearing the $500 million mark for lifetime revenue while only available in China.
At No.7, Pokemon Go saw its best month since September of last year when it made $126 million off the game's summer Team Rocket events.
For May, Pokemon Go brought in $82.2 million -- up 45% year-over-year.
At No. 8, Playrix's Gardenscapes dropped to No.8 following its best month ever in April.