How do you Play 3 player on terrorist hunt locally on Rainbow six Vegas 2?

[PolarBear]

I need to figure this out cause on the back of the case it says 2-4 players so help me out
on the case it says you can play a co-op game with 1 other player or a terrorist hunt co-op with up to 3 friends

 

[deano77c]

you cant, on my case it says 1-2 players