Purrfect Survivors is a roguelite game. It makes you feel stronger and stronger. Kill monsters, gather paws, you can get runes. Every rune has its own ability. To use the ability of rune, you need to arrange the runes in a rune page. Each rune can affect each other. Its usability depends heavily on where it is. For example, Boomerang rune makes you can throw boomerangs and Mushroom rune makes the boomerangs bigger. Bullet rune makes you can shoot bullets and Dual Pistol rune makes you can shoot more bullets.