5 Manga Like Tomodachi Game

“Yuuichi Katagiri has battled financial hardships his whole life but has learned to stay content and positive thanks to his close circle of friends. To keep a promise he made to them, Yuuichi saves up enough money to join them on the school trip. But when the gathered money mysteriously goes missing, suspicion falls on two of Yuuichi's friends: Shiho Sawaragi and Makoto Shibe, who were in charge of collecting the payments. Although innocent, Shiho and Makoto take responsibility for the failure to protect the money when no one else comes forward.

A few days later, Yuuichi and his friends receive mysterious letters which trick each of them into meeting up. Upon arrival, they are ambushed and knocked unconscious. They wake up in a mysterious room in the presence of "Manabu-kun," a character from a controversial children's show that stopped airing due to its malicious content. He informs the group that one of them indirectly gathered them together in order to settle a large debt. They are to play a "friendship game": a series of games that will test the strength of their bond and trust in each other. As the group's faith wavers due to the growing number of secrets and betrayals, Yuuichi must figure out who of his "friends" he can actually trust and ultimately discover the identity of the traitor.” [MyAnimeList]

 

“Feeling unsettled about the future, high school student Ryouhei Arisu often escapes the reality of life. After hanging out at a bar, Arisu and his best friends, Daikichi Karube and Chouta Segawa, wait for the first train to arrive in the morning. Suddenly, a colorful array of fireworks set off in the sky, and an enormous blinding firework renders them unconscious.

The trio finds themselves back at the bar covered in dust, discovering that the city has become a barren wasteland. But instead of being worried, Arisu feels alive for the very first time in his life and relishes the freedom of this lifeless city. However, his bliss is cut short when the group rashly enters a festival venue. Seeing its delicacies and lively ambiance, they think the place is a dream; unbeknownst to them, it will be the setting for their first deadly game.

Together with his friends, Arisu slowly enters the mysterious area known as the Borderland—an unknown country where every game puts their lives at stake, and a single misstep can lead to their demise.” [MyAnimeList]

 

“In the real world, Ryouta Sakamoto is a reprehensible NEET. However, in the online world, he is one of the world's most fearsome players in the bomb-throwing game Btooom! One day, he achieves the game's 10th global rank. Unfortunately, his celebration is cut short when he wakes up to an exotic sight—a remote island far from the comfort of his room.

It soon becomes clear that a nefarious party has whisked Ryouta and many other individuals—including the blonde bombshell Himiko and real estate agent Kiyoshi Taira—into a harrowing, real-life game of Btooom! The bombs he wields are no longer virtual; rather, they are capable of sending people to a bloody and terrible doom. With his life now on the line, Ryouta must muster the courage and determination to survive in this hellish free-for-all, where the only way out is to kill seven other players.” [MyAnimeList]

 

“Logic puzzle genius Akira Shiroyanagi and many others are plucked from modern-day Japan and thrown into an unfamiliar room. With shackles around their wrists, they are informed that no one will miss them, the world believes they are dead, and they are the new test subjects for groundbreaking research. The research in question entails abilities that can enhance a body's capability and bend the fabric of reality. Most are left quaking in fear, but Akira can't help but find the challenge exciting.

Each of them is given an ability unknown to anyone else and is soon thrust into various trials. Nothing is off the table from fighting one-on-one duels to large battle royales—not even death. As the group comes to grips with the dreadful turn of events, Akira determines to outsmart everyone standing in his way and unravel the enigma surrounding this mysterious organization.” [MyAnimeList]

 

“Hyakkaou Private Academy is a school for the privileged and influential, playing host to the children of businessmen and politicians. However, unlike other schools, students at Hyakkaou do not pride themselves on academic achievement. Instead, they value strategic prowess and the ability to read people. Come nightfall, many places on campus transform into gambling dens overseen by the student council, where players compete for rank, money, and more.

Ryouta Suzui spends his days as a "house pet"—a student ranked in the bottom one hundred, forced to serve his peers. His circumstances soon change when a mysterious new transfer student, Yumeko Jabami, arrives at the academy. Despite Suzui's warnings, Yumeko quickly becomes immersed in the school's gambling scene, facing off against several high-profile opponents. Her exploits draw the attention of the student council members, who start meddling in her affairs. Suzui tries his best to keep Yumeko out of trouble, but to his chagrin, she turns out to be the type of person best suited to attend Hyakkaou: a compulsive gambler.” [MyAnimeList]

“College student Nao Kanzaki has always adhered to her name's meaning: "foolishly honest." However, after opening an unsolicited package containing one hundred million yen, she inadvertently accepts an invitation for the "Liar Game." In this tournament, contestants are encouraged to betray and deceive their opponents to gain a massive amount of cash; conversely, losing will incur a lifetime debt. With all hopes lost, her only option left is to seek help from a con artist.

On that same day, the infamous swindler Shinichi Akiyama is finally released from jail. This former psychology student is known for single-handedly bankrupting an entire company, and Nao believes he is her only chance at escaping her dire situation. At first, Shinichi is hesitant to commit another crime, ignoring Nao and her request. But after seeing her desperation and persistence, he agrees to assist her.

In this fraudulent world, Nao and Shinichi have their own motives. Yet, soon they see the true nature of not only the game, but also everyone involved.” [MyAnimeList]