Deep Sea Adventure: A Treasure-Hunting Travel Game for Kids and Adults you need to work together because there is only one air source!
Dive down and get treasure but each movement will cause you to use oxygen and should you not have enough oxygen to get back up you won't get any of that treasure!
Our industry frequently likes to impress with huge boxes and loads of components, but Japanese company Oink caused quite a splash with Deep Sea Adventures and its small but perfectly designed box. We routinely carry the entire Oink range as part of our global village, because these are great stylish additions to any games library (and they fit in your pocket too!)
Try doing THAT with Gloomhaven!