Wii Zapper How Do I Do To Connect A Third And Fourth Wii Zapper In The Quantum Of Solace Offline Multiplayer Mode?

How do I do to connect a third and fourth Wii Zapper in the Quantum of Solace offline multiplayer mode? - wii zapper

Simply plug in an additional Wii Zapper, they could play in only 2 people, but not 3 or 4 ... I do not see anywhere where I offer the choice between 3 or 4 players.