When an update for Sonic the Hedgehog 2 was announced about a month and a half ago, excitement was in the air. The long wait has paid off: the definitive remastered version of Sonic 2 is now available for Android and iOS devices. Sonic 2 version 3.0 is a free updates for those who already own the game, but the game is still $2.99 to purchase. Read the update description:

An all new ‘Boss Attack mode’ challenges the player to defeat all of the game’s devious bosses in one run. Additionally choose to play the game as Knuckles in addition to Sonic and Tails.
For the first time ever explore the mysterious Hidden Palace Zone. These lost levels feature undiscovered enemies, new hazards and a climatic showdown with Dr. Eggman.
Rebuilt from the ground up for mobile, Sonic The Hedgehog 2 offers upgraded graphics, including widescreen display and a smooth 60fps frame rate, plus a re-mastered soundtrack.

Yes, that's right, Hidden Palace Zone. As a historic event in Sonic history, we will soon update our articles with new information. As of now the current version is receiving nothing but five-star ratings from reviewers. Watch our Twitter feed for more updates.

Meanwhile, feast your eyes on these new screens: