Horror Monster Simulator is a free Android game developed by Yamtar Simulator Games. As the player, you control a herd of horror monsters in an open world forest. The game has many exciting missions that you need to complete to gain gold, which is required for the development of the herd. You can explore the caves and the dense forest to complete various missions, earn rewards, and develop your herd. You will also need to master new skills to prepare for battles against other monsters.

The game features a nice graphical interface and sound that immerses you in the world of wild nature. The forest world is vast, and you can upgrade your herd with many useful upgrades as you progress through the game. The game also offers high performance, ensuring that you have a seamless gaming experience.