Madden NFL 2003 and Madden NFL 2004 featured Gamecube-to-Gameboy Advance (GC-to-GBA) connectivity using a GC-to-GBA link cable.

Madden 2003 features a digital scoreboard whereas Madden 2004 linked with the corresponding GBA version of the game. However, there is a trick to initiate this linking connectivity.

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