Merge Dungeon is an RPG idle game where you can upgrade weapons and items by merging them. You can also earn money by killing monsters. In the game, you will be able to unlock more and more areas as you go, and you can find many different kinds of monsters. You will need to upgrade your weapons and items to be able to kill them. 

You will need to find your way through the dark dungeon, which will be filled with many different kinds of monsters. You can find different kinds of items in the dungeon, such as weapons, armor, tools, and more.