In a race against the clock, this highly addictive, phrase-driven format demands superior language skills and the ability to think visually across a giant game board – no mean feat for two teams vying to connect four ‘chains’ of seven words, given only the first and last word in each set. Teams comprised of spouses, co-workers and friends are often stumped, sometimes stuck, but always surprised as they learn who has what it takes to set a true Chain Reaction in motion.