LacunaDraw imaginary lines in your mind to collect the most flowers. 2 Players 10 15 Mins Ages 8+ Features: Zone of Control Theme: Abstract Strategy Description: Lacuna is a game for 2 players about collecting flowers on a pond at night. It takes seconds to set up and plays entirely on a cloth mat. The rules are simple: draw an imaginary line between 2 flowers, place a pawn, and collect both flowers.