The original light novel that started the phenomenon! In this fantasy world, everything's a game--and these gamer siblings play to win! Meet Sora and Shiro, a brother and sister who are loser shut-ins by normal standards. But these siblings don't play by the rules of the "crappy game" that is average society. In the world of gaming, this genius pair reigns supreme, their invincible avatar so famous that it's the stuff of urban legend. So when a young boy calling himself God summons the siblings to a fantastic alternate world where war is forbidden and all conflicts--even those involving national borders--are decided by the outcome of games, Sora and Shiro have pretty much hit the jackpot. But they soon learn that in this world, humanity, cornered and outnumbered by other species, survives within the confines of one city. Will Sora and Shiro, two failures at life, turn out to be the saviors of mankind? Let the games begin...!

In the world of Disboard, everything is decided by games. Since arriving in this strange place, genius gamer siblings Sora and Shiro have risen to become king and queen of what's left of Disboard's humans. Their latest challenge is winning an unwinnable romance game against the races of Dhampir and Siren. To uncover the true strategy to beat this sadistic game of love, they head for the home of the angelic Flügel: the midair city of Avant Heim. But the Flügel are a hideously powerful race, created specifically to kill gods. Will things really go as planned?

IT'S A GAME OF LIFE AND DEATH BETWEEN THE GAMER SIBLINGS AND A GOD!Subsequent to the eternal Great War, Disboard-the world where everything is decided by games and wagers rather than violence-is born. But winners still trample losers, and the victims pile up. A young Shrine Maiden laughs at how nothing has changed... Sora and Shiro agree to a dice game in which the number of dice you have is determined by your age, but in a contest where all the players are pitted against one another and death hangs in the balance, will the sibling gamers survive or lose everything-including their lives?

Having been transported to the world of Disboard, where everything is decided by games, Sora and Shiro (who together form the unstoppable gamer team " ") are still winning. They've racked up an unbroken string of victories against opponents armed with all manner of magic and treachery. As the pair enjoy a well-deserved vacation in the Eastern Union, they're approached by a Dhampir named Plum. Sora and Shiro prepare for battle, but this game is one of the very few they haven't beaten and mastered--the game of love!

Social-phobic Sora and shut-in Shiro form a genius gamer sibling duo. The two find the world to be a lousy game...until someone claiming to be God transports them to a world where everything is decided by games! Will these two failures at life become the saviors of a strange, new world?

You can run, but you can't hide... After pulling off a successful coup d'état for the Elkian throne, Sora and Shiro take their devil-may-care attitude to running a pharmacy. One of their first customers is the leader of the eighth-ranked race, the Dwarves, who comes to blows with the two of them over the bill for his drugs and taunts, "Why did you run from your old world?" At the same time, the gamer siblings are saddled with a runaway Dwarf girl named Til...who also has a bone to pick with the Dwarf leader! With so much conflict at hand, will Sora and Shiro have time to run a business?!

YOU NEVER KNOW WHAT’S IN THE CARDS… ​Before the creation of Disboard, a world where everything is decided by games, there raged a terrible war among the various races. The Immanity weren’t the only ones fighting to end that war, though—one Elf had her own plans: Whoever’s left standing after the world is destroyed is the winner! What tricks did Think Nirvalen have up her sleeve all those years ago? Who was actually pulling the strings behind the Great War? And did Nina Clive, Think’s overworked assistant, even make it out alive?!