Here are my favorite picks for anime like SSSS.Gridman. Keep in mind the list is in no particular order. Enjoy!
DARLING in the FRANXX
In the distant future, humanity has been driven to near-extinction by giant beasts known as Klaxosaurs, forcing the surviving humans to take refuge in massive fortress cities called Plantations. Children raised here are trained to pilot giant mechas known as FranXX—the only weapons known to be effective against the Klaxosaurs—in boy-girl pairs. Bred for the sole purpose of piloting these machines, these children know nothing of the outside world and are only able to prove their existence by defending their race.
Ichigo Kurosaki is an ordinary high schooler—until his family is attacked by a Hollow, a corrupt spirit that seeks to devour human souls. It is then that he meets a Soul Reaper named Rukia Kuchiki, who gets injured while protecting Ichigo’s family from the assailant. To save his family, Ichigo accepts Rukia’s offer of taking her powers and becomes a Soul Reaper as a result.
Neon Genesis Evangelion
In the year 2015, the world stands on the brink of destruction. Humanity’s last hope lies in the hands of Nerv, a special agency under the United Nations, and their Evangelions, giant machines capable of defeating the Angels who herald Earth’s ruin. Gendou Ikari, head of the organization, seeks compatible pilots who can synchronize with the Evangelions and realize their true potential. Aiding in this defensive endeavor are talented personnel Misato Katsuragi, Head of Tactical Operations, and Ritsuko Akagi, Chief Scientist.
Godzilla: Planet of the Monsters
The final summer of the 20th century… when mankind learns it is no longer the sole ruler of planet Earth.
The planet is beset by the emergence of colossal creatures that roam the earth, and king among them is “Godzilla.” For a half a century, these beasts engage in ferocious battle with each other and mankind. But humans, unable to compete, prepare for exile from their home planet. In the year 2048, a select few humans are chosen by the central government’s artificial intelligence infrastructure to set out on an interstellar emigration vessel, the Aratrum, on an 11.9-light-year journey for the planet Tau-e in the Cetus constellation. But when they arrive after 20 years of space travel, the remnants of mankind find the environmental conditions on Tau-e to be much different than expected, and basically uninhabitable by humans.
Godzilla: City on the Edge of Battle
By the advent of the 21st century, much of humanity was dead, having been trampled over by a new master, Godzilla. A select few among mankind took to the stars in a spacefaring vessel called the Aratrum in search of “the promised land,” the planet Tau-e that could sustain human life. But the migration plan fails, and the remnants of the human race decide to return to Earth. But the distortions in space-time and the distance traveled means that mankind is returning to a completely changed Earth some 20,000 years later. The returnees, led by hero Haruo, prepare to take the fight to Godzilla based on a strategy that has been 20 years in the making. Carried out with the help of two alien species, the Exif and the Bilusaludo, the humans succeed in defeating Godzilla in a costly battle to the death.
“A hero will never give up, never hide, never be defeated and never accept evil!”
Firmly believing these words, Masayoshi Hazama has been obsessed with superhero shows since childhood. By day, he earns his living as a famous model, and by night, he becomes the gallant hero Samurai Flamenco. Armed with only his superhero costume, he seeks to bring justice to the city and faces anybody who tries to break the law—even rebellious juveniles and people who litter on the street.
One night, right before summer vacation, Manatsu Daichi, a second-year in high school, sees a weird round rainbow floating in the sky above Tanegashima and ventures there alone. He has seen this rainbow before. With the memories of his father’s mysterious death and an encounter of a strange boy and girl, Daiji arrives on the island while the alarm of a building labeled Earth Engine is going off. Someone asks him if he is a captain, just as robotic intruders from Uranus called Kill-T-Gang arrive. The battle around the shining stars is about to begin.
Kuroi Souya is a high schooler living a peaceful life despite having no memories of his past. One day, however, his town is attacked by one of the mysterious Nebula Weapons. Together with the cat-like “Sensei” and the gothic lolita Ginko, Souya gets dragged into a battle against… seven superheroes who protect the town! What is Souya’s reason to fight? The answer lies in his memories.
King of Braves GaoGaiGar
In the year 2005, a race of alien monsters called Zonders emerge from underground and launch a series of attacks on the city of Tokyo. The only defense against these creatures is the secret agency known as the Gutsy Geoid Guard (or 3G) and their ultimate weapon, the awesome giant robot GaoGaiGar. GaoGaiGar’s pilot, Guy Shishio, is a former astronaut who was nearly killed two years before when the Zonders first crashed to earth. Guy’s life was spared when a mysterious robot lion called Galeon pulled him from the burning shuttle and brought him to Earth. Guy’s father, Leo, then used Galeon’s technology to rebuild his shattered son as a cyborg, in the hopes that he could stop the aliens when they appear. Now, with Galeon as its core, GaoGaiGar fights to protect Earth. He is aided by a team of transforming robots and by a young boy named Mamoru, who has the power to purify the Zonders’ cores, and seems to be connected to the mysterious Galeon.
It has always been the aspiration of the Central Tanegashima High School Robotics Research Club to complete the GunPro1, a fully functioning giant robot. For years, the members of the club have contributed to its progress and it is now Akiho Senomiya’s goal to finally make the dream of all the past club members become a reality. However, things are not as easy as they seem as the club lacks the funding for such a huge endeavor. Aside from that, the only other club member, Kaito Yashio, shows no interest in assisting his childhood friend and instead indulges in playing mecha-fighting games on his “PokeCom.”