GUNDAM was made using XNA and PhysX. Height is 18m and mass is 43.4t. 3D display was performed by XNA. Physical calculation was performed by PhysX. Can bipedal locomotion of GUNDAM be carried out? All were built by the physical object. Indirectness was moved by specifying an angle and timing. A large robot requires time for falling. Does hugeness also influence how to walk? Although th