Deer Play is a game platform software with the official background of Tiger Tooth, only the mobile version.

Deer is a character in the comic book Brother Corpse and its derivative works. It turned out to be a child in the "Big Forest" kindergarten. After the plague broke out, the deer was chased by the mutant bear. Bai Xiaofei saved her and helped her find her mother. From then on, the deer followed Bai Xiaofei on an adventure. Later, on the way to the corpse nest, the deer accidentally swallowed Medusa's snake eyes and gained the ability to recombine life elements.