Determining the single number one video game in the world depends entirely on the metric being evaluated, such as total registered players, lifetime revenue, or active daily concurrent users. Massive global titles like Minecraft hold records for the highest unit sales across history with hundreds of millions of copies sold globally. Meanwhile, massively multiplayer platforms like Roblox and Fortnite command hundreds of millions of active monthly players and enormous user-generated ecosystems. In terms of lifetime financial gross receipts, titles like Dungeon & Fighter and Grand Theft Auto V rank among the most commercially lucrative intellectual properties ever created.