A 2D platformer is a type of video game where players control a character that moves through a two-dimensional environment. The main objective is to navigate levels by jumping between platforms, avoiding obstacles, and defeating enemies. These games often feature colorful graphics and engaging gameplay mechanics. Players typically progress through various levels, each with unique challenges and designs. Classic examples of 2D platformers include Super Mario Bros. and Sonic the Hedgehog. The genre emphasizes timing, precision, and exploration, making it popular among gamers of all ages.