It is player by 4 members per team in a six-by-eight metre rink situated under a sheet of ice. The game is played without oxygen, forcing players to retreat to the air hole approximately every 30 seconds for a breather, although there are four divers with oxygen tanks to supervise the players during the game.

The game consists of three periods, although each period is only ten minutes long, with a ten minute intermission between periods to allow players to warm their bodies. As for the spectators, they watch the underwater action from a screen above the ice.