LEGO Games: Atlantis Treasure £6.49 at Play
Navigate your submarine around the coral reefs and collect the sunken treasures. Use the compasses to find your way, block the other players and fire torpedoes at anything in your way. The best submarine captain wins the game! A great family adventure game for 2-4 players.
rrp £19.99 - can't see it under a tenner anywhere else