One of the best features about the portable GameBoy has been its multiplayer capabilities. Tetris, on the original green and yellow-screened GB, was the game to distinguish the multiplayer aspect of this handheld system. The GameBoy Advance has the ability to connect up to four systems together using link cables. While some GBA games can be very entertaining with four players, it is always a hassle to huddle around each other due to the short length of the GBA link cable. Because of the restrictions of this multiplayer cable, the portability of the system somewhat decreases.
Currently, the Nintendo DS and PSP has a built in wireless mode for games that can be played locally or over the internet. It is a shame that the GBA did not support this feature into its hardware. Nintendo realized that the restrictions of a link cable might hinder the multiplayer aspects of the GBA. To remedy this, Nintendo released their own first party wireless adapter. Bundled free with the GBA exclusive Pokemon games, players could now exchange data with one another from across a room. Wireless play makes gaming easier. However, in order to use these Nintendo first party links, game developers must specifically program games to use them. Why? Because the wireless links use a different programming protocol than the standard link cable. This means that unless a game is specifically made for these wireless links, it will not work. Currently, a select few GBA games support Nintendo