Horizon Simulation and Lead Pursuit LLC announced that Falcon 4.0: Allied Force, a new flight sim with revamped graphics engine, highly advanced artificial intelligence, reworked multiplayer engine, new high resolution models and cockpits, is now available in the UK retail stores with a MSRP of £24.99. The most important feature of Falcon 4.0: Allied Force is the Dynamic Campaign Engine: how you perform in your mission directly, and proportionately, determines what happens elsewhere. This is true for the tens of thousands of computer controlled entities in the game. Press 'read more' for details.