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.
Tentang 100 orang meninggal yang dikumpulin dalam game battle royal oleh observer misterius. Tiap peserta diberi kemampuan super masing-masing. Tujuan pribadi si MC Akira Shiroyanagi untuk ngancurin para observer dan dalang dibalik game ini.
Game sejauh ini terbagi 4 program.
Program 4 ini rulenya battle royal antara 66 peserta, pemenangnya cuma 6 orang.
Peserta kebagi 6 tim, boleh bunuh temen sendiri tapi skillnya disegel sementara.
Tiap tim mewakili 1 observer(game master).
Area program ada 2, di Tokyo dan di dalam dunia "calamity". Di mode calamity ini peserta kudu survive lawan observer Leonhart.
Observer gak boleh nyerang ataupun bohong ke peserta. (Gak tau berlaku ke Mion juga atau nggak)
Tim 1 isi geng bokapnya Akira, Chitose, manusia payung, manusia kulkas, dan entah 6 orang lain. Observernya si biksu yg mirip kurapika
![Stick Out Tongue emoticon-Stick Out Tongue](https://s.kaskus.id/images/smilies/sumbangan/6.gif)
Tim 2 belum dilihatin pesertanya
![Bingung (S) emoticon-Bingung (S)](https://s.kaskus.id/images/smilies/bingungs.gif)
. Observernya Pelco si loli sombong.
Tim 3 isi X + 10 korbannya + 1 orang lagi?. Observernya Rawheel si om kurus.
Tim 4 isinya manusia buatan semua. Observernya Uromov si om om tahanan.
Tim 5 isi geng Akira + geng Omoto + Shishido + Mion sendiri.
Tim 6 isi Hoshino + 5 orang yg kejebak calamity + entah 6 orang lain. Observernya tewas dihajar Leonhart, tapi ada penggantinya.
At least ada 9 orang peserta yang gak dijelasin dari tim mana.
Ane jelasin karena babak 4nya panjang banget sampe ane sendiri lupa sama rulenya.
Program 1 sampai 3 di animenya ngadaptasi dari volume 1-7(chapter 1-65).
Program 4 sampai volume 18 masih ongoing, mungkin kalau diadaptasi anime bakal jadi 2 cour. Kecuali mau kelar sampe Ringo lawan X
.