Cloud gaming

Quick definition:A way of playing games where the game runs on a distant server and its video is streamed to the player's device, while button presses are sent back over the internet.

Meaning

Cloud gaming moves the heavy work of running a game away from the player's own hardware. The game is processed in a data centre, and the result is sent to the player as a live video stream, much like watching a film online. The player's controller or keyboard inputs are sent the other way, so the game responds almost as if it were running locally.

The main appeal is access. Devices that could never run demanding games, such as phones, tablets, budget laptops and smart televisions, can still play them, and there is nothing to install or update. Subscriptions often bundle a library of titles, which suits players who like to sample many games.

There are drawbacks. A steady, fast connection is essential, image quality can drop when the connection weakens, and players do not own the game files in the usual sense. If a service closes, access to the games it hosted may disappear with it.

Origin:The idea borrows from cloud computing, where work is done on remote servers rather than on a local machine. Attempts to stream games over the internet date back to the 2000s, but the approach only became practical for ordinary households in the 2010s, once broadband speeds and data centres had improved enough to deliver smooth video with acceptably small delays.
Example:Priya has an old laptop that cannot run the latest racing game, so she opens a streaming service in her browser, picks the title, and starts driving within a minute. Her steering inputs travel to a server, and the footage comes straight back. On a quiet evening it feels smooth, but when her flatmate starts a video call, the picture blurs.
Did you know?The biggest technical obstacle is latency, the delay between pressing a button and seeing the result. Fast-paced genres such as fighting games and competitive shooters suffer most, because a delay of even a fraction of a second can change the outcome of a moment.