The heart gauge is reminiscent of Zelda but instead of collecting heart containers you gain experience by learning new scents. You earn "woofs"(bones) by completing quests and can spend them on accessories to dress up your pup(like Mysims, it's just for fun). You can even combine accessories and found items to create new ones. Like the Mysims series, you can do various things such as fishing. Some of the characters in the game are very interesting(not just the dogs). One of the cute things is the way you defeat your "enemies". You sneak up behind them while they're either sleeping or otherwise not paying attention to you and then bark to cause them to faint which can sometimes give you the item someone has sent you in search of.