HitBlow -対戦推理ゲーム- is a brain battle game where players create secret 3-digit codes to outsmart their opponents. Players can challenge AI or other individuals, incorporating unique skills like Double, High&Low, Sub, Snipe, Change, and Shuffle. These skills add depth and strategy to the game, enhancing the gameplay experience.

In AI Matches, players face five levels of AI, each progressively more challenging and strategic. Online Matches allow friends to compete, with options for Friend Matches and Rank Matches for competitive play. The game offers a seamless multiplayer experience, where players can host or join games by following simple steps outlined within the app.