The Retarded Spaghetti Factory is a spaghetti factory that opened in the Mushroom Kingdom on February 2nd, 2014. It is owned by Tubbie Wonka. On the day of its opening, Mario blew it up but it was later rebuilt.
- Tubbie Wonka (boss)
- Oompa Loompas
- Chris (guard)
- Swag Master (guard)
- Greg (unknown career)
- Morgan Freeman (unknown career)
- Sergeant Mark (sergeant)
- Admiral Greg (admiral)
- Pointy Boob Lady (sergeant's mother)
- Retarded64: Mario and the retarded spaghetti factory
- Two great friends! (cameo)
- Guards 'N Retards: The Butt Ninja
- Guards 'N Retards: Pointy Things
- Guards N' Retards: Prisoners
- Guards N' Retards: Swag Party Hostages
- Guards N' Retards: Le Train Breach (cameo)
- It is unknown whether this factory has a monopoly over the Mushroom Kingdom's spaghetti industry.
- In Retarded64: Mario and the Retarded Spaghetti Factory, the exterior of the factory is shown in Garry's Mod, but the interior is based upon the Facility level from Goldeneye 007.
- They use Tubby Custard to make spaghetti.