Toaru Kagaku no Death Game (A Certain Scientific Death Game) is a filler crossover fanfic written by Viperslim90 to Kamachi Kazuma Toaru Majutsu no Index (A Certain Magical Index) and Reki Kawahara (Sword Art Online, as well as a non cannon filler fanfic storyline to Viperslim90 fanfics (A Certain Magical Index.). A Certain Scientific Death Game only has note bio chapters of now and set to officially release later.

Background
Kamijou Touma and his cousin Kirigaya Kazuto was introduced to the VR game Sword Art Online as beta testers. Fortune finally comes their way feeling absolutely free from misfortune when they actually gets their hands on the game that was until moments of logging in and setting up his avatar, he was reverted back to his original look, the log out option disappear, and announcement confirming if they died here they die for real. In the odds of the darkest gaming hour of history Touma and his cousin Kazuto (Kirito) decides to save everyone in this death game.

Chapters
• Note
• Touma's Gear

Characters
• Kamijou Touma
• Kirigaya Kazuto
• Cloud Kenshin (ALfeheim)
• Zack Yoshikage (Gun Gale Online)