* No central registry: There's no single authority that tracks every online game. Many are self-published, hosted on individual websites, or exist within larger platforms.
* Constant creation and updates: New games are constantly being developed and released, while others are updated or taken down.
* Definition of "game": What constitutes a game can be subjective. Do we include browser games, mobile games, social games, or only traditional video games?
However, we can say that the number is incredibly vast. Millions of games exist online, ranging from simple web-based games to complex multiplayer experiences. The gaming industry is constantly growing, so the number of online games is likely increasing every day.