Identity V is a mobile game released by NetEase in 2017. It is a asymmetrical multiplayer horror game where five players, called Hunters, compete against one player, called the Killer. The objective of the game is for the Hunters to survive the Killer's onslaught for a set amount of time, while the Killer tries to murder all of the Hunters. 

The game has a variety of features, including unique characters, detailed backstories, and an ever-changing map. The game also has a ranking system that pits players against each other to see who is the best Hunter or Killer. 

Here are ten interesting facts about Identity V:

1. The game was first announced in February 2017, and released in China in May 2017.
2. An English version of the game was released in November 2017.
3. The game has a ranking system that pits players against each other to see who is the best Hunter or Killer.
4. The game has a variety of features, including unique characters, detailed backstories, and an ever-changing map.
5. The game was first released on Android and iOS devices, but a PC version was released in December 2017.
6. The Killer can choose between different classes, each with their own unique abilities.
7. The game has a total of 16 different Hunters, each with their own unique abilities.
8. The game's map is randomly generated, meaning that no two games are ever the same.
9. The game has been downloaded over 10 million times.
10. The game has been praised for its unique gameplay and dark atmosphere.