Doomsday Shelter is a free Android game developed by xiaochuan.Dong that falls under the category of role-playing games. The game is set in a post-apocalyptic world where the player must defend their shelter against the relentless attacks of a zombie army.

The game offers a wide selection of weapons and defensive structures as well as more flexible first and third person dual controls. The player must upgrade their weapons and equipment and make strategic decisions on how to defend against the increasing types of monsters and bosses. The game also offers a primary level with a star rating system to unlock higher levels of challenges and an endless mode to test the player's survival skills.

One of the most interesting features of Doomsday Shelter is the ability to earn rewards for killing zombies, which can then be used to upgrade weapons and defensive structures. The game also allows players to log in to Google Play to save their progress and share their scores on leaderboards.

Overall, Doomsday Shelter is an enjoyable and challenging game that offers an engaging post-apocalyptic world and a variety of gameplay options. If you're a fan of role-playing games and zombie survival, this game is definitely worth checking out.