Kamen Rider Wiki
Kamen Rider Wiki
Icon-zi-o.pngThis article is about a web series in Kamen Rider Zi-O.
Red alert.jpg WARNING: This series contains scenes of mild violence and bloodshed. Viewer discretion is advised!

Rider Time: Kamen Rider Decade VS Zi-O -Decade Mansion's Death Game- (RIDER TIME 仮面ライダーディケイド VS ジオウ -ディケイド館のデス・ゲーム-, Raida Taimu: Kamen Raidā Dikeido Tai Ji-Ō -Dikeido-Kan no Desu Gēmu-) a three-episode TTFC-exclusive miniseries serving as the third installment of the Kamen Rider Zi-O Spin-off series. In the special, Tsukasa, Sougo, and several of their allies are forced to play a deadly game behind closed doors while uncovering the secrets behind the appearance of an Another Ryuki.


Various people with different backgrounds, including an unusual Sougo Tokiwa, are waking up finding themselves stranded in a house on an isolated island and forced to participate in a death game by a mysterious masked clown. After each round, a loser is killed by a monster emerging from mirrors. As the body count gradually increases, a strange passerby suddenly appears.

Continuity and Placement


  1. Chapter 1: The FIRST Stage
  2. Chapter 2: The NEXT Stage
  3. Final Chapter: The FINAL Stage


Kamen Rider Decade Tsukasa Kadoya
Kamen Rider Zi-O Sougo Tokiwa (robot)
Kamen Rider Kuuga Yusuke Onodera
Kamen Rider Diend Daiki Kaito
Kamen Rider Kiva-la Natsumi Hikari


  • Misa Kuon
  • Heure (A.R. World)
  • Ora (A.R. World)
  • Swartz (A.R. World)


Kamen Rider Ohma Zi-O True Sougo
Another Ryuki Unknown



Suit Actors

International Movie Theaters

  • The film began streaming in China's Mainland on Tencent Video starting on February 9, 2021.


The film's theme song is INSIDE-OUT DECADE ver., performed by both Masahiro Inoue and So Okuno.


External Links

  • to be added