iEntertainment Network today announced that FLYBOYS Squadron Mac, the World War I combat flight simulator based upon the MGM movie Flyboys, has been released. The FLYBOYS Squadron Mac retail package will also include one month of free online massively multiplayer gaming on IENT’s servers with hundreds of other players from around the world. Also included in the retail package are two free bonus award-winning massively multiplayer games, WarBirds and Armored Assault, a US$50 value. The single player flight simulation and dogfighting game includes 12 missions with four different skill levels, more than 25 Instant Action missions that are different every time they are played, and the ability for players to fly in any one of 10 different terrains with more than 100 different planes and vehicles.