The most popular video games in the world, measured by active monthly player counts and global cultural footprint, include massive multiplayer phenomena such as Minecraft, Fortnite, Roblox, League of Legends, Counter-Strike 2, Grand Theft Auto V, and mobile blockbusters like PUBG Mobile and Honor of Kings. These titles attract hundreds of millions of active participants across personal computers, home consoles, and smartphones, sustaining their massive popularity through regular content expansions, esports ecosystems, free-to-play accessibility, and vibrant online communities that transcend traditional geographic boundaries.