Gravity - Cave Story

"Gravity - Cave Story" is a high quality rip of "Gravity" from Cave Story.

Joke
At 0:02, the melody changes to "Boss Battle (GBA)" from .

Trivia
During the Nostalgia Critic Takeover, this rip got a follow up with the inverse of the joke in Boss Battle (GBA) - The SpongeBob SquarePants Movie.