FSX. After an unexpected delay, SimSkunkWorks have announced the F-4B/N Open Beta will be available in the WSW webstore Saturday, February 13 at 16:00GMT. It is sold through simworksstudios.com at a base price of 40€. The first release version will support only Flight Simulator X: Acceleration. It may work in P3D/FSX:SE but the aircraft and installer is compiled for FSX boxed. For a complete list of features, click the source link below.