Filbert Fledgling - Version 1.0 Filbert Fledgling® is a high speed 3D-rendered action game sure to bring you hours of non-stop fun! Filbert Fledgling® presents a whimsical type gaming atmosphere developed with an audience of all ages in mind. Traverse your way through countless paths of scenery and labyrinths of terrain to get Filbert back to his family to be properly cared for!