Puzzle & Action: Ichidant-R (also known as just Ichidant-R (イチダントアール) is a puzzle video game developed and released by Sega in 1994 for the Sega System C. It is the sequel to Puzzle & Action: Tant-R and is the second of the three games in the series. Gameplay is similar to Tant-R: the player must complete a series of mini-games, although its crime theme is replaced with a mediaeval theme. The detectives from the first game return and play the role of knights in a theatre play. The game was ported to the Sega Game Gear in 1994, Mega Drive in 1995, and released on the Sega Ages Rouka ni Ichidant-R compilation for the Sega Saturn. The game was released for the Wii Virtual Console in 2007. All console versions are Japanese exclusives. The third and final game in the series, Puzzle & Action: Treasure Hunt, was released in 1995.