No single metric crowns one game. Leading contenders by measure:
| Metric | Leader(s) | Detail |
|---|---|---|
| Lifetime Sales (Paid) | Minecraft | 300M+ copies (all platforms) |
| Monthly Active Users | Fortnite, Roblox, League of Legends | 80-100M+ MAU each |
| Concurrent Players (Steam) | PUBG (3.2M peak), CS2, Dota 2, Elden Ring | SteamCharts records |
| Total Players (F2P + Mobile) | Subway Surfers, Candy Crush, PUBG Mobile, Free Fire | Billions of installs |
| Cultural Footprint | Super Mario Bros., Tetris, Pac-Man, Pokémon, Zelda | Recognized beyond gaming |
| Revenue (Annual) | Honor of Kings, PUBG Mobile, Genshin Impact, Roblox, Fortnite | $1-3B+/year |
Popularity shifts yearly. Define your metric (sales, concurrency, revenue, cultural) for a meaningful answer.