Ketsui - Kizuna Jigoku-tachi - IKD 2007 Special © 2007 Cave Co., Ltd.
Throughout Stunfest, festival-goers were able to try out Ketsui in an extraordinary mode: IKD 2007 Special. This game mode (also known as Cave Matsuri or Blue Label) is unique in that it's a special version of Ketsui that was only playable during the 2007 CAVE Matsuri for a single day!