The game plays somewhat like a fusion of the Shoot the Bullet series, and the Phantasmagoria series, combined with "standard" Touhou gameplay. Cirno is able to shoot regularly, but also possesses a new "freezing" technique that adds a new twist to the game. Similar to Aya's camera, Cirno has a counter that fills up during gameplay, which determines the strength of her freeze attack, which is triggered by holding and then releasing the shot button not unlike the charged shots in the phantasmagoria games. When activated, Cirno's freeze attack will freeze the immediate area directly in front of her, and freeze any bullets it comes in contact with for a duration proportionate to the level of charge % before vanishing afterward. When other bullets come into contact with frozen bullets, they too will freeze, allowing for large chains of bullets to be frozen in this way. Points and bombs are awarded for freezing large numbers of bullets.
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