Sonic The Hedgehog 2 story
Dr. Ivo Robotnik, is planning world domination through the power of the Chaos Emeralds and an army of robots powered by trapped animals. The events of the game see Sonic and Tails chasing Robotnik through South Island, and eventually up to the Death Egg, pursuing him with Tails' biplane, the Tornado.
The plane is damaged after being shot at, but Sonic still manages to infiltrate the Death Egg, alone. Once there, he battles a robotic imposter before taking on Robotnik, who is piloting a giant mech.
There are two Acts in nearly all of the 10 Zones, and at the end of each Zone's last Act is a machine that Robotnik controls, which you must defeat to progress. The evil Dr. Robotnik wants to conquer the world. In order to do that, he imprisons and transforms all animals into robots called "Badniks".
This way they can build his powerful weapon, the Death Egg. Only Sonic the Hedgehog, and his new tagalong partner, Miles 'Tails' Prower, can stop Robotnik and his army of Badniks from taking over the world.
Sonic The Hedgehog 2 gameplay
Sonic the Hedgehog 2 is a side-scrolling platformer based around speed, and the sequel to Sonic the Hedgehog. The game stars Sonic the Hedgehog and his sidekick, Miles "Tails" Prower, who is described as having idolized Sonic as a child and wanting to keep up with him. At the game's start, the player can select to either play as Sonic, Tails, or both.
The character can jump on enemies to defeat them. The game also introduces a new move, the 'spin dash' or 'Super Dash Attack', by which the player curls in a ball and spins while stationary, resulting in a speed boost.
When the player is attacked by an enemy without rings, is crushed, falls off-screen, or exceeds the act's ten-minute limit, they lose a life and return to the most recently passed checkpoint.
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