For the first time in video game history, step into Grendizer, the legendary robot, and fight the forces of evil to defend planet Earth! Get ready to experience an unforgettable adventure with Grendizer, the famous giant robot. This action/adventure game adapted from the beloved animated series will immerse you in the heart of its creator Go Nagai's universe and give you the opportunity to pilot the most powerful robot and fight the forces of evil.

After the destruction of planet Fleed by the Vega Empire, Daisuke finds refuge on our planet. Adopted by Genzo Umon, he lives at the Shirakaba farm. As Vega's invasion of Earth is inevitable, Daisuke will defend planet Earth with the help of Grendizer, the colossal robot hidden deep within Genzo Umon's observatory. With the assistance of Kôji Kabuto, the prince of planet Fleed will continuously repel Vega's attacks and fight his dreadful robots, the Monstronefs, sent to destroy him.

Play as Umon Daisuke and his colossal robot, engaging in epic battles with varied gameplay: piloting the Spazer (a flying unit housing Grendizer), in vertical shoot-them-up combat in Kôji Kabuto's TFO, and in 3rd person action/combat controlling Grendizer. Use its iconic and destructive attacks to eliminate the fearsome Monstronefs and save Earth.

Find yourself in Umon Daisuke's shoes and meet many key characters during dialogues in iconic environments from the series, which have been reproduced with such care according to the designs of the original series. Finally, earn experience points by completing missions to acquire new abilities and upgrade your powers.

The beloved animated series Grendizer, aired for over 40 years, has marked many generations with its rich story full of twists. Millions of people around the world still remember its transformations and lightning-fast punches.