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Sonic News Network
Sonic News Network

The Egg Ball No.2[1] (エッグボールNo.2[2] Eggubōru No.2?) is the boss of Sunset Hill in Sonic Advance 3.


As the name implies, Egg Ball No.2 is a giant sphere piloted by Dr. Eggman. It is mostly gray with some black and yellow stripes on each of the sides. Both the Egg Mobile and Gemerl are located by each other on an arc of the ball.


Eggman rolls around left and right on the floors, walls and ceiling in an enclosed arena similar to the Egg Claw in an attempt to flatten the player. While the pattern is seemingly erratic, a temporary platform can be activated by a Switch in the center of the arena, allowing the player to dodge Eggman or reach his cockpit no matter where he is (interestingly enough, Eggman can also activate this platform if he rolls over the corresponding switch). As the boss accumulates damage, it will roll faster and faster, making it more difficult to avoid and precisely attack.

After eight hits (six on Easy mode), the machine will explode and Eggman will fly away with a damaged Gemerl, thus allowing the player to advance to Ocean Base.





  1. Flynn, Ian; Sega (8 December 2021). "Sonic Advance 3". Sonic the Hedgehog Encyclo-speed-ia. Dark Horse Books. p. 145. ISBN 978-1506719276. "Bosses: Gemerl and Egg Ball No.2. Gemerl has gained aa few new moves, learning from his last defeat. He later joins Dr. Eggman in a giant rolling contraption. Activate the temporary platform to avoid being crushed."
  2. (in Japanese) ソニックアドバンス3最強攻略ガイド. Shogakukan. July 2004. ISBN 978-4091061737.

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