[b] He has spent most of his life trapped beneath a vast and mysterious Tower, with only his close friend, Rachel, to keep him company.

It is permeated by an element called "Shinsu", which has strange properties similar to magic in other comic universes.

[citation needed] Each floor often has its own culture, language and governance systems, and it is not uncommon to have nations living in isolation and unaware of the existence of the tower.

Shinsu (신수; Sinsu), roughly translated as "Divine Water", is a substance found within the Tower in varying concentrations on each floor.

However, on higher floors, Shinsu increases in power and concentration, and is said to be viscous and flowing similarly to water.

Residents in the tower must form a contract with the "guardian" of the respective floors in order to manipulate Shinsu.

Individuals known as "Irregulars" seem to have a special connection with the tower, being able to use Shinsu with little to no constraints, regardless of whether or not they have contracts with the same administrators of the floors they're on or going to.

One highly notable irregular known simply as "Enryu" even managed to kill the then administrator and guardian of the 43rd floor.

Because of their ability, irregulars are often heavily stigmatized and feared, even by inhabitants of the highest caliber within the tower known simply as "Rankers".

There are five basic positions: fisherman (낚시꾼 nakksiggun), spear-bearer (창지기 changjigi), light-bearer (등대지기 deungdaejigi), scout (탐색꾼 tamsaekggun), and wave-controller (파도잡이 padojabi).

drew "ten books" worth of practice cartoons, which formed the backbone of the Tower of God comic he later started to create for the Internet.

already has major events and characters planned out, sometimes more than 8 years in advance, and often shares additional information on the Tower of God universe on his blogpost, after each chapter is published.

[7] In November 2021, Wattpad announced that Tower of God would receive a print release in North America as part of their new Webtoon Unscrolled imprint.

[8] In 2013, Naver released a mobile role-playing game on Google Play based on Tower of God, developed by Sunrise.

[30] A mobile turn-based role-playing game, titled Tower of God: Great Journey, developed by Korean company Ngelgames, was released in Korea in April 2022,[31] and globally on February 14, 2023.

[32] A collectible card role-playing game, titled Tower of God: New World, developed by Netmarble, was released globally on July 26, 2023.

The series has had collaborations with mobile games such as Fantasy War Tactics R,[35] Heir of Light,[36] and Seven Knights.

[42][c] It is directed by Takashi Sano, with Hirokazu Hanai as assistant director, Erika Yoshida in series composition, Masashi Kudo and Miho Tanino in character designs, and Kevin Penkin composed the soundtrack.

[39][46][47] Viz Media licensed the series for home video distribution in North America and released it on Blu-ray on January 18, 2022.

[50] It is produced by The Answer Studio and directed by Akira Suzuki, with Kazuyoshi Takeuchi serving as chief director.

[55] Head of Line Webtoon Tom Akel stated in July 2015 that the manhwa's weekly installments are read by five million people.