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Wildly popularSteam is the world's most popular destinations for PC gaming, so if a game makes it to the top of the platform's charts, that's saying something. Recently, Capcom's Monster Hunter Wilds became Steam's No. 5 most popular game ever based on peak concurrent users, surpassing a whopping 1.38 million people playing the game at the same time.It was an astonishing result, but there are still four games that have previously reached higher peaks. In this post, we're rounding up the top 20 most popular games of all time on Steam based on peak concurrent users. The data was supplied by SteamDB.There are some important things to know about this list. It includes both free-to-play and paid games, along with the non-traditional "game" called Banana where players continuously click the banana until they get a new one. Also of note is Call of Duty HQ--this is a single launcher that houses multiple Call of Duty games, including Black Ops 6, Warzone, and older titles.Another thing to know is that the numbers in this list do not represent a game's entire reach, as the figures pertain only to Steam games on PC. Plenty of the games on this list are available via other PC storefronts, on console, or Game Pass. Finally, the nature of concurrent players means it's only a snapshot of one moment in time. The peak gaming hours in North America and Asia, for example, do not overlap.Finally, you might expect GTA 5 to show up on this list, but it does not, despite being one of the best-selling video games in history. That's because GTA 5 on PC via Steam recently split into two games--GTA V Legacy and GTA V Enhanced. The peak concurrent records for those games are 364,548 for GTA V Legacy and 187,059 for GTA V Enhanced. Combined, this would amount to more than 551,000 people, which would squeeze into the top 20. 20. Terraria 489,886 Record achieved on May 16, 2020. Get on Steam 19. Call of Duty HQ 491,670 Record achieved on November 20, 2022. Get on Steam 18. Valheim 578,569 Record achieved on February 21, 2021. Get on Steam 17. Path of Exile 2 578,569 Record achieved on December 8, 2024. Get on Steam 16. Apex Legends 624,473 Record achieved on February 18, 2023. Get on Steam 15. Marvel Rivals 644,269 Record achieved on January 11, 2025. Get on Steam 14. Goose Goose Duck 702,845 Record achieved on January 12, 2023. Get on Steam 13. Baldur's Gate 3 875,343 Record achieved on August 13, 2023. Get on Steam 12. Hogwarts Legacy 879,308 Record achieved on February 12, 2023. Get on Fanatical 11. New World: Aeternum 913,634 Record achieved on October 3, 2021. Get on Steam 10. Banana 917,272 Record achieved on June 20, 2024. Get on Steam 9. Elden Ring 954,426 Record achieved on March 5, 2022. Get on Fanatical 8. Cyberpunk 2077 1,054,388 Record achieved on December 10, 2020. Get on Steam 7. Dota 2 1,295,114 Record achieved on March 6, 2016. Get on Steam 6. Lost Ark 1,235,305 Record achieved on February 12, 2022. Get on Steam 5. Monster Hunter Wilds 1,384,608 Record achieved on March 1, 2025. Get on Fanatical 4. Counter-Strike 2 1,818,773 Record achieved on May 6, 2023. Get on Steam 3. Palworld 2,101,867 Record achieved on January 27, 2024. Get on Steam 2. Black Myth: Wukong 2,415,714 Record achieved August 22, 2024. Get on Fanatical 1. PUBG 3,257,248 Record achieved on January 13, 2018. Get on Steam