2D platformers are a genre of video games characterized by their two-dimensional graphics and gameplay that involves navigating a character through a series of levels. Players typically jump between platforms, avoid obstacles, and defeat enemies, all while collecting items and power-ups. Classic examples include Super Mario Bros. and Sonic the Hedgehog, which have defined the genre since the 1980s. These games often feature vibrant art styles and engaging level designs, making them accessible to players of all ages. The simplicity of controls and mechanics allows for a focus on creativity and exploration, leading to a rich variety of experiences within the genre.