When thinking about the most popular titles, shooters like CS2 and PUBG immediately come to mind Steam or Fortnite, which can entertain hundreds of thousands of players simultaneously. However, in May 2025, the most popular game in the world is called something different.
What is the most popular game in the world? Based on the highest concurrent players in May 2025, the clear winner is Roblox. While Fortnite peaked at 2.5 million players, Steam managed to have 11.8 million gamers concurrently in its games.
Roblox, on the other hand, had 16.3 million players playing concurrently in May, surpassing not only Fortnite but all games on Steam combined (via X.com). MeinMMO explains why Roblox is so popular.
Here you can watch the trailer for Roblox:
Roblox is not just a game
What makes Roblox special? Roblox, similar to Fortnite, has become a platform for countless games. Currently popular is a game titled “[🌕] Grow a Garden 🐔🧟♂️” by the provider “The Garden Game,” which represents a kind of idle gardening simulation. Players build their own garden, which grows and flourishes even offline. Similar to other idle games, players only log in occasionally to manage their garden.
The title is so popular on the platform that by 3:30 PM, 1.8 million players had already played it just that day. What sets Roblox apart is the vast number of games that run independently on Roblox as a platform. You can find all sorts of genres and game variations on the platform, from MMORPGs to shooters to racing games.
There have also been recurring reports of child abuse and even lawsuits from parents against Roblox. MeinMMO reported on a particularly severe case: A player is exposed as a pedophile in Roblox, yet he remains free and abducts a 15-year-old.
All of this is already bad enough. On top of that, there are further allegations. The Roblox management is said to exploit the private developers of countless games and pay them poorly. Furthermore, the way the avatar shop and some game systems work is said to warm kids up to gambling systems at an early age.
Why is Roblox so popular? Many of the games on Roblox are free and are financed through microtransactions. This allows anyone to check out new games for free and try something new at any time. Thus, Roblox serves as a sort of amusement park where players can try out many different genres and games simply by signing up.
Many players also have their own communities and friends with whom they play Roblox together. Instead of having to find new players for each title, the structure of the platform and the many free contents make it easier to switch from game to game.
Roblox is currently the most popular “game,” although it is more accurate to refer to it as a platform similar to Steam. However, even the combined player counts of Steam and Fortnite cannot compete with Roblox at this time. Furthermore, Fortnite is increasingly becoming a platform in its own right, and its skins are continuously sparking discussions: You can now talk to Darth Vader in Fortnite through AI, but the villain couldn’t behave and forced the developers to intervene.
