Kishin Taisen Gigantic Formula
Japanese title: 機神大戦 ギガンティック・フォーミュラ
Type: TV
Episodes: 26
Premiered: spring 2007
Source: Original
Genres: Sci-Fi
Studios: Brain's Base
Producers: Bandai Visual, TV Tokyo Music
Duration: 24 min per ep
Rating: PG-13 - Teens 13 or older

2035 A.D. The heads of ancient giant idols were excavated all over the world. Using those twelve stones statues, Humanity had barely overcome the threat of extinction called the "Equatorial Winter". But the stone statues had forced Humanity to construct colossal suits of armor as their bodies and demanded that the humans fight each other.

(Source: ANN)