According to the latest report from the leading data analyst firm, Sensor Tower, Tencent's PUBG Mobile was the second-highest-earning mobile game worldwide for May 2021.The only fuel you need is your mind! ⛽ Dare to dream bigger with McLaren 🏎️🔥🔑 #PUBGMOBILE #PUBGMMcLarenPick up the keys to your favorite McLaren now! 🔗 https://t.co/Br4hjOtj8C pic.twitter.com/amQQwYfrvL— PUBG MOBILE (@PUBGMOBILE) June 9, 2021PUBG Mobile generated close to $258 million, a 5.2 percent Y-O-Y growth from last May. 56.6 percent of the revenue came from Game for Peace (a localized Chinese version of the game), while the United States contributed 11 percent of the total revenue. Additionally, the game saw an eight percent growth compared to April 2021.PUBG Mobile has become the second game this year to surpass a billion in revenues - $1.24 billion to be precise.Credits: Sensor TowerHowever, the first one to cross the billion in revenue was a MOBA game by Tencent, Honor of Kings. It was also the highest-earning mobile game of May 2021, with a whopping $264.5 million in player spending. More than 95 percent of the revenue came from China, while Taiwan and Thailand constituted two and 1.7 percent.With $107 million in earnings, Free Fire from Garena had its best month ever. Compared to its previous best-ever month in March, the game grew by 19.4 percent in May.Likewise, the recently concluded Free Fire World Series 2021 set a new Esports record as it was watched by over 5.4 million people at its peak.After losing third place in April, Genshin Impact made a strong comeback to regain the spot.It's time for some fun in the sun with the Midsummer Island Adventure in @GenshinImpact! 🏝Wish for the powerful Pyro, Klee, and an all-new 5-star Anemo character, in this summertime event: https://t.co/8etRNk5MzX pic.twitter.com/GIsGh6tcg8— App Store (@AppStore) June 10, 2021PUBG Mobile was one of the top-grossing mobile game of May 2021The top 10 games according to their accrued revenue:1. Honor of Kings by Tencent2. PUBG Mobile by Tencent3. Genshin Impact by Mihoyo4. Roblox by Roblox5. Lineage M by NC Soft6. Coin Master by Moon Active7. Uma Musume Pretty Derby by CyberAgent8. Garena Free Fire9. Rise of Kingdoms by Lilith Games10. Pokemon Go by Niantic