This level is scrapped since the release of Demo 7.5, and was replaced by The Cursed Mansion.
In the first part, Mario will start next to a ? block with a Super Mushroom (if Mario is small) or a Fire Flower (If Mario isn't small). Afterwards there are some Thwomps and various coins, them you'll have to jump and climb vines and them there will be some Podobos as well as some coins.
In the second part, thre is another ? block, but with a Cape Feather inside (if Mario isn't small), all you have to do is climb up while evading the Zingers.
In the third and last part, you will start next to the Midway Point, afterwards there will be some Grinders and a Thwomp before the door leading to the fight against Boom-Boom. Take the boss door to defeat him.
Demos it appears in:Edit
- Demo 6
- Demo 6.5
- Demo 7
- Overworld Demo
The level has no Dragon Coins.
- Lava Bubble
Boom Boom Edit
Boom Boom is one of Bowser's henchmen, and the most well-known member of the Boom Boom species. He is the boss of this level. You have to hit him 3 times. When that happens, he will leave a yellow goal point question sphere.
In the first and third parts, the tiles from the All Star Version of Super Mario Bros. 3 for the foreground and from Super Mario World 2: Yoshi's Island for the background.
In the second part, the graphics are from Donkey Kong Country 3: Dixie Kong's Double Trouble for both the foreground and the background.
In the boss part, the sky graphics were taken from Super Mario Bros. 3.
The music used in this level is "Castle" from Super Mario World.
The level didn't exist since the release of Demo 7.5.
- Tree Fort Mountain is one of the eight levels in Brutal Mario to be replaced by another level, so the level was replaced by The Cursed Mansion in Demo 7.5 and all newer demos.