World 6-Fortress is a level found in the game New Super Mario Bros. Wii.
This tower contains two giant skewers on the floor and ceiling of the tower. They both collide in the middle of the fort. There are also some pipe cannons and moving platforms that the player will have to use to advance.
- Dry Bones
- Star Coin 1: To the far left of the level's first Dry Bones is a hidden area inside the wall that contains the first Star Coin.
- Star Coin 2: The second Star Coin is right near the Checkpoint Flag and in between two walls. Mario and co. must walk kick to get it while the Skewers are away.
- Star Coin 3: The third Star Coin is in between two close walls at the end of the level just before Morton's door. Mario and co. must wall kick these walls to get the Star Coin before the Skewer launches.