Covalence

Covalence by Genius Games is recommended for 2 to 4 players, ages 8 to adult, and plays in about 20 to 40 minutes.Covalence is a chemistry themed, puzzle style, cooperative game. One player knows the secret molecule and reveals clues to the other players who have to build the molecule based on limited clues before time runs out. The game also includes the Chemist Expansion.