Google Search added a little trivia quest to mark BTS' release of *Arirang*, the K-pop icons' first album in four years. And we're talking we're talking lachimolala level knowledge required. If you type "BTS" into the Google search bar, you'll see a little animation pop up with the album icons. However, it doesn't stop there, as you'll notice a small ship in a bottle sitting at the bottom of the screen. SEE ALSO: BTS' 'SWIM' video is already tearing up YouTube If you click the ship — a nod to the video for BTS' lead *Arirang* single "SWIM" video — you'll either be prompted to scan a QR code with your smartphone or if you're already on mobile, you'll be sent to a "Scavenger Hunt" game in which you can answer BTS trivia questions to unlock cards to build a song deck. They're not easy questions (the emoji question had me pacing) and if you're stuck, there's already a whole Reddit thread happening. At the time of writing, over 16 million quests have been solved by Google users.…