Isiokwu Strategy Game

Bullies often target someone frail and weak—someone exactly like Yûgi Muto. He treasures his Millennium Puzzle, an ancient Egyptian artifact that was brought into his grandfather's game shop. Believing that solving the puzzle will grant him his wish, he completes the puzzle, unleashing a new personality within him, the soul of the "King of Games." The new personality named Yami Yûgi is the exact opposite of Yûgi. Upon any injustice toward him, Yami Yûgi takes over Yûgi's body and forces the opponent into a "Shadow Game".

Rei is a 17-year old professional shōgi player, who lives by himself, not having a real family, and has scarcely any friends. Among his acquaintances is a family, which consists of a young woman, Akari, and two young girls, Hinata and Momo, and who also keep a numerous number of cats.

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.

Nao Kanzaki, a student, was blackmailed into joining a "Liar Game" and ended up losing 100 million yen. In order to repay the debt, she enlists the help of Shin'ichi Akiyama, a genius swindler who was only recently released from jail for bankrupting one of Japan's largest scam companies.

It's the ultimate showdown of wits, brains, strategy, and alliances for a chance to win 500 million won.

Yuuichi Katagiri believes that friends are more important than money, but he also knows the hardships of not having enough funds. He works hard to save up in order to go on the high school trip, because he has promised his four best friends that they will all go together. However, after the class' money is all collected, it's stolen! Suspicion falls on two of Yuuichi's friends, Shiho Sawaragi and Makoto Shibe. Soon afterwards, the five of them are kidnapped, and wake up in a strange room with a character from a short-lived anime. Apparently, one of them has entered them into a "friendship game" in order to take care of their massive debt. But who was it, and why did they have such a debt? Could they have stolen the money from class to pay for entry into the game? Yuuichi and his best friends will have to succeed in psychological games that will test or destroy their faith in one another.

Ayumu just fell in love at first sight with Urushi and joined the illegitimate Shogi Club! But Ayumu has vowed not to confess his feelings until he can best Urushi, and he has a long way to go before he can stand up to her strategic brilliance.

The anime centers around a boy named Kouta Kouka (Kouka Kouta in Japanese name order, an apparent wordplay on Coca-Cola). Kouta strives to be the world's best Bottle King at the Bottle Battles in the virtual Drink World. He comes across his Bottleman partner Colamaru and then wages battles with various rivals.

Students battle to determine their rankings, with one student having to keep up the ultimate lie!

In Big Money City, players participate in "Hero Battles" using Bankfon Gs, which allows them to rent powerful hero suits and fight battles against other players, receiving power boosts from the system's public domain feature. Kaito Goushou, a young elementary school student who is always eager to help others, ends up hastily signing a contract to rent the powerful unlisted hero suit, "Enter the Gold," from a mysteriously seedy priest named Sennen; however, he soon learns that the suit comes with a debt of 10 billion yen, and Kaito must now clear his dues by winning Hero Battles.

Ten strategically minded players, chosen not just for their high intellectual prowess but also their social IQ, participate in a host of never before seen games designed to not only test their intellect but encourage them to carefully and creatively use the art of manipulation to outfox their opponents and win a cash prize.