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Alternative Titles

Synonyms: Sacks&Guns!!, Sakugan Labyrinth Marker, Project ANIMA, 削岩ラビリンスマーカー
Japanese: サクガン
English: Sakugan
More titles


Type: TV
Episodes: 12
Status: Finished Airing
Aired: Oct 7, 2021 to Dec 23, 2021
Premiered: Fall 2021
Broadcast: Thursdays at 23:30 (JST)
Licensors: None found, add some
Studios: Satelight
Source: Novel
Genres: ActionAction, AdventureAdventure, Sci-FiSci-Fi
Themes: ChildcareChildcare, MechaMecha
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 6.511 (scored by 3183931,839 users)
1 indicates a weighted score.
Ranked: #68402
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #2058
Members: 100,772
Favorites: 272

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Ranked #6840Popularity #2058Members 100,772
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Episodes: /12


The "Labyrinth" is an expansive space deep underground where humans live in clusters known as "colonies." Over the years, the surface has become a distant memory—even perhaps only a fantasy to those who have never experienced its wonders.

Making sure humanity survives the harsh conditions of the underground, a colony's citizens can take on a variety of specialized jobs. These include "Workers," who mine precious ore to fuel the colonies, and "Markers," who journey into the Labyrinth's surprisingly lush environment to bring back information that eases navigation. However, humanity also faces a threat to its existence—creatures called "kaijuu" whose sizes range from that of a small child to an enormous building, and are hostile to any human they see. Moreover, kaijuu that are large enough can force their way into the colonies, further increasing their threat level.

Memenpu is a nine-year-old college graduate whose inventions have greatly benefitted the Workers in her local colony. Recently, however, she has been dreaming of a place with a neverending ceiling not bound by bedrock. These aspirations fuel her desire to become a Marker and explore the Labyrinth's vast unknown in search of such a fantastical place. Despite her father Gagumber's vehement disagreement, a certain incident with the kaijuu jumpstarts a dangerous yet exciting adventure that will surely alter humanity's course forever.

[Written by MAL Rewrite]


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Episode Videos

Related Anime

Characters & Voice Actors


Uchiyama, Kouki


Koyama, Tsuyoshi


Hayami, Saori


Watada, Misaki


Hosoya, Yoshimasa



Opening Theme

Apple Music
Amazon Music
Youtube Music
"Koukotsu Labyrinth (恍惚ラビリンス) " by Masaaki Endoh

Ending Theme

"Shine " by MindaRyn


Jan 6, 2022
Let us start strong, the characters, each of them are unique, have different personalities traits and flaws. They all represent something in the world. Most of them have certain values they try to fullfill. Voice acting is great and makes them seem like real people.

The art is absolutely amazing, everything look alive and the art style is great. The only flaw, but that can be said about most of Mecha animes, are mech's themselves or maybe i just don't udnerstand how they should look like. I was in love in the art and it was one of the main reason for me to watch ...
Mar 9, 2022
Mixed Feelings
Y’know normally I’d start off a review sorta giving a brief talk about what the anime I’m reviewing is, but that’s the thing with Sakugan. Neither I nor the anime itself have a clear vision of what it wants to be. The things I can say that are in Sakugan are mecha, adventure, familial themes, commentary on corrupt governments, kaiju, mystery, drama, SoL, and more, but the anime itself never really keeps to one main idea and you often ask yourself “why is this even an element in the show in the first place? ⅓ of the eps might as well be filler, ⅓ are ...
Dec 25, 2021
I felt like writing a review because I was genuinely disappointed by an anime for the first time in a long while, and while I have a lot to say, I'll *try* to keep it short.

I went in expecting something Made In Abyss esque, and the first episode did perpetuate that, a world wider than you can see with mysteries you will unturn. And then... well that was kinda it.

As the show progressed, you barely learned about the world and its characters. Mainly just the characters, which I found either pointless or annoying with the only exception being Gagumber. He's a genuine dude ...

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