Giga-Robo!

Giga-Shards: techno-organic energy sources lethally harvested from living beings; blended with human DNA, they transmute raw emotion into incredible power and make possible giant war machines with unimaginable speed and strength. The Zoider Armada, a galaxy-conquering alien force, has discovered this unique energy, and has invaded Earth-space to abduct and dominate the human race. All seems lost, but Earth finds a way to fight back—with the Zoiders own giant robot prototypes! The pilots who control these robots have goals of their own though, and each competes with the others in a race to control the Giga-Shards. Some hope to defend Earth, others seek only revenge, and still others seek power to achieve their own mysterious ends...