Richard,a very lucky gamer has got some hands-on time with a retail unit of the 3DS with the help of a manager at GAME and has leaked the first details about the two StreetPass-based games built into the operating system. The games themselves are known as StreetPass Quest and StreetPass Puzzle.
StreetPass Quest begins with your Mii trapped in a tower. To escape, you must use Miis you have collected via StreetPass and battle increasingly powerful enemies in turn-based combat. If you haven’t collected any Miis then you’re able to purchase a cat in armour to act as a substitute. You purchase this cat with two game coins, which have been previously detailed. The cat has two attack options: sword and magic.
Richard guesstimated that there were about 16-32 different levels you could work your way through and you’ll need to battle with each enemy about 2-3 times to match their power. You can fight your way through the game with up to three Miis at a time. Failed attempts at rescuing your Mii from the tower are met with details about enemies you have defeated and the remaining health of enemies who you’ve tried to take on but failed to take down, so it sounds like this quest will require an investment over time, rather than just a single sitting.
The goal of StreetPass Puzzle is to construct a 3D puzzle. But to complete this puzzle you need to collect pieces by interacting with other folks via StreetPass. The more people you interact with, the more puzzle pieces you gain until you can finally complete the puzzle. Richard was unable to test this game out fully however as it does rely on StreetPass interaction which he lacked.