SignalIn Signal, players take on the role of Experts seeking to understand the Alien player, who in turn is seeking to be understood. The Experts will create and transmit "signals" to the Alien, who has certain rules for how to respond that must be deduced by the Experts. Once the Experts understand these rules, they can ensure that they come to agreement with the Alien, succeeding co operatively. On a turn, the Experts arrange black and white pieces on a