Jigoku Ken Keikaku

地獄犬計劃 (Project Cerberus) is a 2D fighting game where players take the role of Tatsumi Haruto, a young man who transforms into the armored warrior Armit Cerberus after fusing with the mysterious girl Blue through a contract. Gameplay features 1-on-1 battles with special combos, powerful ultimate moves, and character-specific techniques. The story mode features 15 selectable characters, each with unique backstories and critical attacks that turn battles around. It includes an original extra mode called Legion Mode for multi-unit battles. What makes it stand out is its high-speed, one-hit-kill emphasis combined with Ad Hoc wireless multiplayer up to 4 players.