The camera click to front/side/top views. They enhanced airplane editor features, including reorganization. *Dynamic sun angles (3D sites miss the new training sessions and aids!! With hover trainers for acro and heli pilots alike, follow-the-leader helicopter trainers and more, it's obvious the RealFlight team put a lot of thought into expanding the making-learning-fun areas. *Exceptional new training aids and games, streamers and smoke *Easier to Use Flying Site & Aircraft Editors *Improved collision effects (balsa dust, etc. It adds a lot to the existing 3.0 system.making this FREE, quick download a Quick List of What's New: For registered users of 3.0 the new improvements of 3.5 are a free download.