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In an attempt to colonize Mars, 21st century scientists tasked with terraforming the planet seed it with a modified algae to absorb sunlight and purify the atmosphere, and cockroaches whose corpses spread the algae across the planet as they feed.

Five hundred years later, the first manned ship to Mars lands and its six crew members are attacked by giant mutated humanoid cockroaches with incredible physical strength, later labeled “Terra Formars”; the crew is wiped out after sending a warning back to Earth. Decades later, a multinational expedition is sent to exterminate the mutated bugs and take control of the red planet only to be vanquished as well, except for two survivors who manage to return to Earth, one swearing to return and avenge their fallen companions. As a third expedition is assembled, questions are raised about the true origin of the Terra Formars and their connection with a deadly virus afflicting mankind.

To fight the Terra Formars’ strength and agility, members of the second and third expedition undergo genetic modification to inherit the characteristics of other organisms, only possible after having a special organ implanted with a 36% chance of surviving the surgery itself.


As far as originality goes Terra Formars takes the cake, this series must have been dreamed up by someone who has a hatred of all things roach. There is nothing more terrifying than a human sized roach who literally wants to kill you just because it can. There is a scene in one of the episodes when a character says how we kill them just because we see them and its true for them doing it to us. What caught me about this tale is how brutal the action is and how even though the bugs are bashing people’s skulls in or tearing off their heads they have zero emotion whatsoever. As the story unfolds some conspiracy and mystery underlies the intense action and we even get back stories on the characters as the episodes goes on. Revealing their motivation for signing up for the procedure that gives you special animal abilities but has a thirty six percent chance of success. This is the one anime that you can watch and enjoy but actually learn something! Every episode you learn about rare animals and what they can do.


The moment is starts you love the animation, its crisp and new with fast action that is pleasing to the eye. Unlike other shows it doesn’t cut away or blur things as the characters start moving and running. There is intense censoring when I watched it where black bars or dots would overlay a head being ripped off or someone cut in half but now there are uncensored episodes that show all the action in brutal glory.


This is definitely a show where I was scared to get attached to the characters for fear of them getting wiped out. No one to me is safe even though I can’t help but like certain characters or powers. Once the back stories start it helps to get to know why they are on Mars and even why a certain animal was chosen for their powers to be based off of. Typically a back story takes half an episode then the rest is the current life or death fight they are involved in against a roach. The group have people from different nations so it is very interesting seeing how they react and speak to each other. You get a little bit of national pride as your citizen fights for their lives.

Overall Opinion

Terra formars is a bad ass anime that deserves the attention that say Attack on Titan received. Kudos to blending the animals or bugs features into a human body and it not looking silly or weird. You can’t help but cheer as the underdog humans start to fight for their lives. Check it out if you like action or sci fi anime.