Procedural generation is a method used in computer graphics and game development to create data algorithmically as opposed to manually. This technique allows developers to produce vast and complex environments, levels, or assets with minimal effort, often resulting in unique experiences for players. Popular examples include games like Minecraft and No Man's Sky, where the worlds are generated on-the-fly, providing endless exploration opportunities. The core idea behind procedural generation lies in the use of algorithms to define rules and parameters that guide the creation process. This approach not only saves time but also enhances replayability, as players encounter different scenarios each time they play. By leveraging randomness and mathematical functions, developers can create intricate worlds that feel both expansive and immersive.