Detonator Orgun

Fleeing from his own race, Orgun - an alien being with superhuman abilities and unearthly weapons - travels to Earth to find an answer to his origin. There, he bonds with a young man named Tomoru to defend Earth against the Evoluders, who seek nothing but destruction of other civilizations. (Source: Anime News Network)

Hyper Combat Unit Dangaioh

When four psychic warriors discover that evil invaders have destroyed their planets, they are brought together by a mysterious doctor to unite to form Dangaioh, the most powerful weapon in the universe. Using their full collective cyonic powers, they alone can stop the bloody tyranny of Captain Garimoth and his wicked henchman to prevent the end of the universe. (Source: Manga Entertainment)

Fight!! Iczer-1

Nagisa is a schoolgirl with schoolgirl tendencies, waking up late, rushing off to school and meeting up with friends upon the way. One morning Nagisa comes across a woman dressed in a strange uniform who seems to stare at her, unnerving Nagisa. Later that day, whilst staring out the window, Nagisa becomes aware of a ball bouncing by itself which flings itself towards her window seat, shattering the glass yet not harming her... Turning back to the front she finds a gaping mouth bristling with teeth inches from her face and no-one else about. She screams and the world returns to normal with her standing and the centre of curiosity of her class... why did she scream?

Casshan: Robot Hunter

In the near future, robot technology has advanced to the point of self-awareness. Under the leadership of the "Black King," machines have decimated the human population and conquered the world. Those who survived the early holocaust have been enslaved for life. But throughout the hardships, a lone hero appears as the savior of mankind. He is Casshan - a fusion of man and machine driven to combat Black King and his forces to the end. (Source: Anime News Network)

Hades Project Zeorymer

A young man named Akitsu Masato is `captured` by a secret govt. project known as "Last Guardian". He is told that his life as a normal student was all a lie, and that his real destiny is to be the pilot of a great robot called "Zeorymer of the Heavens". The truth of this is hammered in when Masato sees his `parents` accept payment for raising him. The Last Guardian is preparing for the resurrection of "Hau Dragon", an organization bent on world conquest. 15 years ago, Hau Dragon built 8 great robots. Each of the mecha represents a force of nature. However, before any of the robots could be used, their creater Kihara Masaki destroyed the robots except for the leader: Zeorymer. He took Zeorymer and an embryo to the government. The embryo became the boy Masato. Now, Hau Dragon has rebuilt the other 7 mecha and wants the 8th. It will be up to Masato and Himuro to pilot Zeorymer and fight against the Hau Dragon, but neither Masato or Himuro are all that they seem. (Source: AniDB)

Takegami: Guardian of Darkness

A trio of diabolical dragons stirs from eons of slumber deep within the earth. Charging to the surface, they launch a bloody rampage against humanity, feasting on the weak and gaining strength from their hapless victims' souls. It will take the power of ancient god Takegami, the Guardian of Darkness, to vanquish the evil serpent forces. But alas, the mortal body Takegami inhabits belongs to a host reluctant to fight.

Ai City

It's sometime in the future and the story starts off with Kei and Ai running for their lives. Ai is a little girl who holds a terrible secret which could destroy the current world. The world is now populated by Headmeters, people who have psychic powers and their strength is shown on their forehead when they fight. However, Kei was an experimental subject and his strength never went above level 5 while other surpasses his ability effortlessly. While escaping, when in desperate moments, Kei could increase his ability to infinity when Ai is in trouble. The one who's after her have a deep secret, aided by a small dwarflike man living in a robotic suit. Eventually Ai is captured and Kei, a sherlock holmes detective and another Headmeter who was converted to the good side when Kei unleashed his horrible powers through Ai must go and rescue her. Together they must save Ai and the secret which she holds. What is the secret of Ai? Who is she? (Source: AniDB)

Casshern Sins

In the distant future, where cyborgs and humans struggle to survive after the war which destroyed the world, a being in white suit awakens. His name is Casshern and he remembers nothing of his own past. In barren and dark dystopian world, where every being alive seems to hate his existence and the evil from his past wants him dead, Casshern, haunted by the flashes of his past memories has to survive and figure out who or what exactly he is and how he got to where he is now. But he does not know that he might not like the horrible truth of the past, hidden deep inside his mind... Created as an intended reboot of Casshern franchise.

Trigun

Vash the Stampede is a wanted man with a habit of turning entire towns into rubble. The price on his head is a fortune, and his path of destruction reaches across the arid wastelands of a desert planet. Unfortunately, most encounters with the spiky-haired gunslinger don't end well for the bounty hunters who catch up with him; someone almost always gets hurt - and it's never Vash. Oddly enough, for such an infamous fugitive, there's no proof that he's ever taken a life. In fact, he's a pacifist with a doughnut obsession who's more doofus than desperado. There's a whole lot more to him than his reputation lets on - Vash the Stampede definitely ain't your typical outlaw. (Source: Funimation)