To clear some stuff up and shed light on this matter i will Quote from EGM's May 2004 Issue on Pg. 80 I post the whole article as it's not that long:
Legend of Zelda:The Four Swords
GC Nintendo 2004
Here's the good news:Nintendo's 2 oddball GC Zelda Offshoots(four Swords and Tetra's Trackers) won't be sold individualy as originally planned.Nope, these 2 action-adventure games will come together in one niffty hodgepodge package, where tjhey now go by the titles of Shadow Battles (Four Swords)and Navi's Trackers(Tetra's Trackers)respectivly.
Here's even better news: a third game, entitled Hyrule Adventure comes along for the ride, and it's an all new, traditional Zelda romp for 4 plauyers in the spirit of the Super NES classic A Link to the Past. Expect dungeons, over world secrets, towns to explore... the whole deal.
Now for the bad news:You'll need to bust out your GBA(with those requisite-yet-sold-seperatly GBA-GCN link cables) in order to even play trackers and Shadow Battle. Curse you, foul Connectivity!
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