Battlefield 1942: The Road to Rome, Battlefield 1942: Secret Weapons of WWII and Battlefield Vietnam.
3 expansions sorry. heres the info, if you wanna check it out. great deal. does NOT work with vista. trust me from experience. none of the weapons will have crosshairs and there are some discolored things in vista.
http://tinyurl.com/q78bt7

Battlefield Vietnam is separeate standalone title and based on, as name states, Vietnam war.

got it. I was thinking that all the games are expansions, as they are from the 1942 box set.