The game contains several unused sounds:
• There are several unused copies of the "Warning!" sound that gets played when the Carrier is in danger of colliding with an obstacle.
• Another is a voice clip of Spike asking the player "What's the matter with you?". It is not used in the final version of the game, but can be found between the voice clips of "Give me a break!" and "You keep this up!".
Contributed by MeleeWaluigi
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The developers ran out of polygons on the Thunderfist, so they just chopped off one of its arms.
Contributed by SuperFlorian12
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The cover artwork for the Japanese release, known in Japan as 'BlastDozer', was originally intended to be used for the cover of the Blast Corps comic by Dark Horse Comics, but went unused.
Contributed by KnowledgeBase
At the level select menu, the time it takes for the planets to revolve around the Sun is exactly accurate to real life, although sped up. It takes the Earth 1 minute to orbit the Sun, which represents a year, and within that time the Moon revolves exactly 13 times around the Earth. With Mercury, it takes approximately 14 seconds to revolve around the Sun, which is equal to 88 days, with Venus 37 seconds which equals to 225 days, Mars 1 minute and 53 seconds, which equals to 687 days, and Neptune 2 hours and 45 minutes, which equals to 165 years. Apparent retrograde motion also occurs when viewing the planets from a certain vantage point.
Contributed by KnowledgeBase