K-Dramas like ZERO -The Bravest Money Game-

12 shows with a similar feel

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  Kaiji (2007)Also drama

  Kaiji Itou is a good-for-nothing loiterer who spends his days drinking beer and stealing hubcaps—that is, until he ends up being tricked by his former co-worker. Unable to suddenly repay his friend's huge debt all by himself, Kaiji is offered a shady deal to participate in an illegal underground gamble on a cruise ship. This turns out to be nothing more than the beginning of his new life of hell—thrown headlong into a life-threatening roller coaster of mind games, cheating, and deceit.
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  Liar Game (2007)Also drama

  Nao Kanzaki is a college student who is known for her honesty and naivete. One day, she receives a black postcard indicating that she has been selected to participate in the "Liar Game Tournament". Along with the postcard is a box with 100 million yen. The goal of the first round of the game is to trick the other player out of their hundred million yen. At the end, the winner would get to keep the hundred million earned, and the loser owes the LGT 100 million yen, which "will be collected by any means and at all costs".
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  Kakegurui (2017)Also drama

  Run by a corrupt and sadistic school council, the “system” at Hyakkaou is based on gambling, with losers who cannot cover their debts being demeaned by their peers and forced to serve their debtholders. And if that’s not terrifying enough, some games can result in losing an eye, one’s fingernails, or even their life! But the system is shocked when transfer student Yumeko Jabami arrives. Dark, mysterious and attractive, she’s a wildcard who plays for the thrill of it…
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  Death Parade (2015)Also drama

  There is a place after death that’s neither heaven nor hell. A bar that serves you one chance to win. You cannot leave until the game is over, and when it is, your life may be too.
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  Akagi (2005)Also drama

  Nangou is a compulsive gambler who has accumulated debt over three million yen. In a last ditch attempt to clear his record, he decides to wager his life on a game of mahjong with the mafia. Unfortunately, as the game progresses, Nangou only moves further from the prize and closer to death. When all hope seems lost, the game parlor is suddenly intruded upon by Shigeru Akagi, a young boy on the run from the police. Desperate to turn the game around, Nangou hands the game over to Akagi after teaching him a few of the rules. The mafia can only smirk as Akagi sits down to play. However, they soon come to learn that Akagi is a natural born gambler. An imposing figure who does not fear death. One who is destined to become a legend.
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  Tomodachi Game (2022)Also drama

  After his class' school trip fund is stolen, Yuichi and his best friends are abducted to play a debt repayment game; there is more than money on the line, as their bonds are tested with dark secrets and a lingering question of who is behind it all.
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  Burn the House Down (2023)Also drama

  After her mother took the blame for a tragic fire 13 years ago, Anzu plots revenge by working as a housekeeper under a pseudonym for her icy stepmother.

  3 tracking it here
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  Your Turn to Kill (2019)Also drama

  Nana and Shota are a newlywed couple and Nana is 15 years older than Shota. Nana works as a designer and Shota works as a gym trainer. They both enjoy mystery. The newlywed couple then move to an apartment and they attend a resident’s meeting there. Nana and Shota become involved in murder cases that take place at the apartment. Residents get murdered one by one. Some residents have a motive, but those suspects have an alibi. Because of this, an arrest has yet to be made.
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  Alice in Borderland (2020)Also drama

  With his two friends, a video-game-obsessed young man finds himself in a strange version of Tokyo where they must compete in dangerous games to win.

  10 tracking it here
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  Furuhata Ninzaburo (1994)Also drama

  Furuhata Ninzaburō is a Japanese television series that ran periodically on Fuji Television from 1994 until its final episodes in 2006. It was written by Japanese playwright Kōki Mitani and is often referred to as the Japanese version of Columbo. The series is a police detective drama starring actor Masakazu Tamura as Furuhata Ninzaburo and Masahiko Nishimura as his stereotypically bumbling sidekick, Shintaro Imaizumi. The program aired weekly and featured a guest villain each time, usually a famous talent in Japan. Pop-stars like SMAP, television hosts like Sanma Akashiya and even sports figures like Ichiro Suzuki have been featured on this program. It was one of the most popular television dramas in the history of Japanese television, having spawned several seasons and TV specials.
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  The Future Diary (2011)Also drama

  Reality quickly unravels when antisocial Yukiteru is called into a death match against 11 other mentally scarred individuals. Each player has a prophetic device tuned to their personality, giving them control over their future—and the fate of their foes.
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  AIBOU: Tokyo Detective Duo (2002)Also drama

  Detective Ukyo Sugishita confronts crime on the basis of his own convictions. He has a partner that works for him in the Special Task Unit. For the first 7 seasons, Ukyo’s first partner is Kaoru Kameyama. He is a good-natured, hot-tempered, straightforward and somewhat scattered detective. Beginning in Season 8, Takeru Kanbe replaces Kameyama. Contrary to his predecessor, Takeru is a lanky, cool, conceited and confident detective. From Season 11 to Season 13, Ukyo’s partner is a young detective Toru Kai. Toru is a son of Deputy Director-General of The National Police Agency. But he became a detective by his own effort. And starting with Season 14, Ukyo’s current partner is Wataru Kaburagi, an elite bureaucrat who came to the Metropolitan Police Department on temporary assignment. As the first partner without any career of a police officer, he will face challenging cases together with Ukyo.

  3 tracking it here