Orromp's Fortress is the second course in The Fourth Dimension that was originally a sky resort, but was invaded by the Orromps. Luigi defeated their Orromp King and had other YouTubers get the rest of the D-Stars in that area. This area appears in Part 7 of the movie.
It resembles a fortress floating in space, with fourth dimensional enemies roaming this giant structure. Several ? boxes can be found, and it is a little more difficult than its counterpart in Mario's world.
- Defeat Orromp King: Collected by Luigi
- Top of the windmill: Collected by 64palkia1
- Metal Block Platforms: Attempted by SMUS16475, but had to wait until the switch in the Metal Cap Cave in Hurl-ya Harbor was pressed
- Inside cage by pool: Collected by Cooolboy78
- 8 red coins: Collected by LuigiGame2
- Underwater Cage: Attempted by ThePhazonMario, but had to wait until the switch in the entrance to Bob-omberman's Factory from Blood Garden was pressed.
- 100 coins: Collected by LuigiLuigi09876