World 6

 is the first world encountered in Enemy 585. King Frog's castle is where the game starts. The World has 4 levels, the first level being the castle level.

Appearance
King Frog's castle is located at the back of the island, surrounded by lava, which goes through a small opening (the opening bridged over by logs) that leads into a bigger poll. The poll holds Volcanoes are located in a pool of lava in the middle of the island, the lava that goes though this area going into the sea.