Both Soaring Hawk and Sprinting Wolf feature the same story, gameplay, characters and locations. The difference is that each has its own set of spirits so to recruit all spirits the player has to trade them via Game Link Cable between the games.
Soaring Hawk and Sprinting Wolf both share the same storyline, gameplay mechanics, characters, and locations. However, each game includes unique spirits for players to collect. To obtain all the spirits, the player needs to exchange them using a Game Link Cable in both games.