Procedural generation is a method used in computer graphics and game design to create data algorithmically as opposed to manually. This technique allows developers to produce vast and complex environments, characters, and items with minimal effort, often resulting in unique experiences for players. Games like Minecraft and No Man's Sky utilize procedural generation to create expansive worlds that are different for each player. The process involves algorithms that can generate content based on certain parameters, leading to endless possibilities. This not only saves time for developers but also enhances replayability, as players encounter new challenges and landscapes each time they play. Procedural generation is a powerful tool in modern game design, pushing the boundaries of creativity and player engagement.