Anime like Mugen no Ryvius

Kanata no Astra

Also known as ASTRA LOST IN SPACE.

Studio: Lerche , KADOKAWA
Status: Finished
Genres: Adventure , Mystery , Sci-Fi

Itʼs the first day of Planet Camp, and Aries Spring couldnʼt be more excited! She, along with eight other strangers, leave for Planet McPa for a weeklong excursion. Soon after they arrive, however, a mysterious orb appears and transports them into the depths of space, where they find an empty floating spaceship…



Note: The first and last episode aired with a runtime of ~48 minutes as opposed to the standard 24 minute long episode.

Tags: Space , Clone , Conspiracy , Survival , Found Family , Ensemble Cast , Male Protagonist , Coming of Age , Primarily Teen Cast , Travel , Post-Apocalyptic , Female Protagonist , Politics , Shounen , Crime , Heterosexual , Tragedy , Kuudere , LGBTQ+ Themes , Transgender , Assassins , Tanned Skin , Aliens , Royal Affairs , Guns , Revenge , Nudity

Densetsu Kyojin Ideon

Also known as Space Runaway Ideon.

Studio: Sunrise , Aniplex , TV Tokyo , Tokyu Agency
Status: Finished
Genres: Drama , Mecha , Sci-Fi

From the continuing reclamation of the ruins of the planet Solo, mysterious mechas are excavated. But suddenly, an alien called Buff Clan attacks seeking the limitless energy “Ide.” The earthlings are backed into a corner, when the three mechas piloted by the earth boy Yuki Cosmo and others fuse together. Becoming the giant robot Ideon, they use their incredible power to fight back against Buff Clan.



Tags: Space Opera , War , Cosmic Horror , Fugitive , Military , Super Robot , Tragedy , Ensemble Cast , Aliens , Travel , Philosophy , Space , Lost Civilization , Guns , Heterosexual , Estranged Family , Real Robot , Samurai , Revenge , Swordplay , Nudity

Mujin Wakusei Survive

Studio: MADHOUSE , Telecom Animation Film , NHK
Status: Finished
Genres: Action , Adventure , Fantasy , Sci-Fi , Slice of Life

In the future, most of mankind lives in artificial space colonies, climate-controlled and completely safe. The orphan girl Luna, selected to receive a scholarship at the prestigious Soria Academy, finds herself in quite different circumstances. An excursion gone terribly awry leads to Luna and her classmates being stranded on an uninhabited planet. Without any experience of untamed nature, the motley crew is faced with a challenging struggle to stay alive until rescue comes. If it comes...



Tags: Survival , Aliens , Primarily Child Cast , Lost Civilization , Coming of Age , Environmental , Language Barrier , Outdoor Activities , Ships , Fugitive , Ensemble Cast , Artificial Intelligence , Female Protagonist , Food , Guns , Kaiju , Bullying , Fishing

Sonny Boy

Also known as Sonny Boy.

Studio: MADHOUSE , BS Asahi , Shouchiku , Marui Group
Status: Finished
Genres: Drama , Mystery , Psychological , Sci-Fi , Supernatural

It’s an ordinary summer vacation...except for the fact that Nagara’s high school has mysteriously drifted into another dimension. As the students begin to develop strange new powers, will they work together to survive the alien environment and find a way home, or will their newly formed factions and rivalries turn on each other?



Note: The first episode received an advance release on YouTube on June 19, 2021. The regular TV broadcast started on July 16, 2021.

Tags: Alternate Universe , Philosophy , Denpa , Super Power , Coming of Age , Primarily Teen Cast , Survival , Isekai , Meta , Achronological Order , School , Cosmic Horror , Episodic , Male Protagonist , Tragedy , Mixed Media , Gods , Animals , Heterosexual , Baseball , Suicide , Desert , Unrequited Love , Wilderness , Space

11-nin Iru!

Also known as They Were 11.

Studio: Kitty Film , Central Park Media , Magic Bus
Status: Finished
Genres: Action , Adventure , Drama , Mystery , Romance , Sci-Fi

In the distant future, ten space cadets embark on a survival test that sets them adrift in a derelict spacecraft from which they must find their way home. Terror strikes when the cadets discover eleven of themselves aboard the ship. Who is the imposter, and what is his (or her) purpose? Paranoia runs rampant and lives hang in the balance as the cadets scrutinize one another for any wrong move. Can they identify the spy before it’s too late?



Tags: Survival , Space , Aliens , Ensemble Cast , Agender , Super Power , Amnesia , Primarily Male Cast , Male Protagonist , Shoujo , Gender Bending , Transgender , Memory Manipulation , LGBTQ+ Themes , Medicine , Eco-Horror

Heroic Age

Also known as Heroic Age.

Studio: Xebec , Starchild Records , Funimation
Status: Finished
Genres: Action , Mecha , Sci-Fi

When the Golden Race invited other races to join them in the stars, three sentient races answered their call. The Goldens called them the Bronze, Silver and Heroic Tribes. Just before the Gold Tribe left to travel to another Universe, a fourth race appeared, traveling to the stars on their own accomplishments. The Golds named the human race the Iron Tribe. During the passing of time, humanity suffers at the hands of the more dominant races and is now facing extinction. Following a prophecy left by the Gold Tribe, Princess Deianeira sets out to search for the powerful being who might be able to save humankind. She meets a wild haired boy on an abandoned planet - a fateful encounter that will not only change the fortunes of Humanity, but also the fate of the universe.



Tags: Military , Aliens , Space , Super Robot , Time Manipulation , Space Opera , Male Protagonist

Ginga Hyouryuu Vifam

Also known as Round Vernian Vifam.

Studio: Sunrise , Bandai Visual
Status: Finished
Genres: Mecha , Sci-Fi

AD. 2058, on the Clayad which was the 3rd planet of the Ypserlon system, which was 43 light years away from Earth, suddently aliens raided the planet.The emigrants on the Clayad had to escape from the planet. Because of the confusion during the escape, the children were strayed from their parents and got in the training space ship, Janous. With a lot of sacrifices, they managed to arrive at 4th planet Belwick. However, the Belwick had been already in the war. Therefore, the 13 children had to go to the Earth by themselves.



Tags: War , Ensemble Cast , Found Family , Primarily Child Cast , Real Robot , Survival , Space , Travel , Aliens , Adoption , Orphan , Cosmic Horror , Tragedy

Uchuu no Stellvia

Also known as Stellvia of the Universe.

Studio: Xebec , TV Tokyo Music
Status: Finished
Genres: Action , Mecha , Romance , Sci-Fi

The year is 2356 A.D. - 189 years after a distant supernova caused a global catastrophe that wiped out 99% of the world population. To keep track on all space activities, mankind has built colossal space stations called "foundations" all over the Solar System. After passing the Space Academy entrance exams, Shima Katase embarks to the Earth-based foundation Stellvia to fulfill her dream of seeing the galaxy and to prevent another interstellar catastrophe from destroying Earth.



Tags: Space , Real Robot , Aliens , School , Philosophy

Planetes

Also known as Planetes.

Studio: Sunrise , Bandai Visual , Bandai Entertainment
Status: Finished
Genres: Drama , Romance , Sci-Fi , Slice of Life

In the year 2075, mankind has reached a point where journeying between Earth, the moon and the space stations is part of daily life. However, the progression of technology in space has also resulted in the problem of the space debris, which can cause excessive and even catastrophic damage to spacecrafts and equipment. This is the story of Technora's Debris Collecting section, its EVA worker, Hachirota "Hachimaki" Hoshino, and the newcomer to the group, Ai Tanabe.



Tags: Space , Primarily Adult Cast , Work , Philosophy , Seinen , Tragedy , Politics , Terrorism , Heterosexual , Ensemble Cast , Male Protagonist , Tanned Skin , Episodic

Soukyuu no Fafner

Also known as Fafner.

Studio: Xebec , NBCUniversal Entertainment Japan , Funimation , TV Tokyo Music
Status: Finished
Genres: Drama , Mecha , Sci-Fi

Tatsumiyajima is the central island in the middle of a small cluster of islands, in a sleepy backwater of the Japanese isles. Not much happens there, and the island's young people go to school knowing that their lives are likely to remain peaceful and undisturbed. Or so they have been taught... but the truth is different. The fate of mankind is on the line, and Tatsumiyajima is the last line of defense against a hostile and incomprehensible enemy. At the center of it all, fighting for Humanity's continued existence, is the giant robot Fafner, the dragon that guards this final treasure of mankind.



Note: The last episode aired with a runtime of ~48 minutes as opposed to the standard 24 minute long episode. In the DVD release and subsequent home video releases of the series, the final episode was split into two separate ~24 minute long episodes.

Tags: Philosophy , Ensemble Cast , Post-Apocalyptic , Real Robot , Tragedy , Aliens , War , Male Protagonist , Robots , Cosmic Horror , Military , Kuudere , Dystopian