A free program for Android, by Aethericks.

Choo-choo Charles’s Demon Horror is an action-packed, horror-themed adventure game in which you play as the first-person shooter (FPS) assassin, named Charles. You must explore the haunted island, find and kill the monsters, and stop the evil from spreading.

As you traverse the island, you will find different kinds of monsters and evil creatures. You will need to use your weapons to fight them and survive. The monsters have different kinds of attacks and abilities, so you will need to use your combat skills to fight them and survive.

The monsters and evil creatures will be extremely difficult to kill.