Lelouch is gifted with a powerful machine, cable of assuring him absolute victory, no matter the odds. However, as with the power of Geass, this machine comes with a price. Can Lelouch master the Gundam or will it, like Geass, destroy him, this time for good?

When Zero disappeared, the Black Rebellion failed. In the year 2018 a.t.b., the Holy Empire of Britannia remains unopposed, ruling over Area Eleven with an iron fist. However, the world is about to change. A demon will reawaken from his slumber, and a young soldier from a parallel universe will join him and his cause. The rebellion is finished...but the insurrection has just begun.

While trying to surive the battle in the Shinjuku ghetto Lelouch finds the green haried girl named C.C and discovered the power of geass, but what if he also found "The Epyon gundam, a machine with a system to push a pilot to his/her limit. Can he master the Epyon and crush the Brittiannian empire or will he be lost in the maddness the Epyon's zero system can create? First story.

A once in a lifetime event that two individuals who have similar aims play a game of chess and discover something about one another.

In Gundam Wing Frozen Teardrop: What if to force the Mars Government, Heero self-detonated the Snow White Gundam. But rather than dying the blast only damages Snow White and also takes them to a new world. A world with a history very different from his own. What will become the Mission for them when Heero meets Lelouch? M for violence in later on

same thing with a few changes

Gundam Wing X Code Geass Challenge! No Yaoi

Duo Maxwell is sent to the world of Code Geass. How will he change the course of history? Will Lelouche survive the combined torment of both Duo and Milly. Find out here.

An original Super Robot Wars story covering numerous mecha anime series. It focuses on an original character, Lans Zhi, a.k.a. Makiri Kurodo, who secretly opposes the Holy Britannian Empire in order to discover clues about his mysterious past.