The Ultimate GameCube Bundle: This set includes 4 extension cords, a 4-port adapter, and 4 sturdy GameCube controller in 4 different colors ((Black/Silver/Purple/Crystal Green); they give you the same shape and button layout as original Nintendo's pro controller for accessibility and extended gameplay comfort. Superior Compatibility: This pro controller works with all GameCube and Nintendo Switch games so you can definitely ace your Super Smash Bros., Mario Kart, Splatoon, Zelda, etc. as well as every game on both versions of the virtual console which makes navigating a lot easier. The Multi-port Capability: The adapter has 4 docks that can connect up to 4 controllers at the same time with no lags or delays, letting you have an awesome time with three of your friends. Adapter can connect up to 4 controllers at the same time with no lags or delays, letting you have an awesome time with three of your friends.