All the 30 machines in the aftermath of an explosion (after ramming into barriers, hazards, or other machines when energy meter is at 0) are all shaped in what should be normally the aftermath of the Blue Falcon's explosion hence the shape of it.
The four pilots behind the machines from the first game in the series: their ages are inconsistent with the events of the previous game. Captain Falcon whom was presumed to be in his early 30s is 36, the once-31-year-old Dr. Stewart behind the Golden Fox is 41, the once 34-year-old Pico behind the Wild Goose is 123, and Samurai Goroh whom was presumed to be in his early 40s is 44.
Kate Alen's name is misspelled as "Kate Allen" in the manual.
Baba, the pilot behind the Iron Tiger is a male, but has a female scream when free-falling to his death.