Sonic the Hedgehog 2 Gets the Remastering Treatment, With the Long-Lost Hidden Palace Level Restored

Sonic the Hedgehog 2 has been given the remastering treatment by Sega and Christian Whitehead, who presided over the Sonic CD remake and original Sonic the Hedgehog remake that released earlier this year. Available as a free update to the previously-emulated version on the App Store, Sonic 2 contains some cool new goodies along with widescreen and iPad support.

Unlike Sonic CD and the original Sonic the Hedgehog, which were both games that only let players control Sonic in their original versions, Sonic 2 was much more comprehensive with its characters. Tails made his first appearance in Sonic 2. Knuckles showed up later, but was patched in to the game for people who locked-on Sonic 2 to Sonic & Knuckles. However, Tails has been given the ability to fly where users couldn’t control it in the Genesis original.

Thus, the big addition to this game is Hidden Palace. Sonic 2 is pretty well-known for having had a few levels left on the cutting room floor, discovered through leaked betas. One of the most intriguing pieces that was abandoned was a level called Hidden Palace. While the name and perhaps its giant emeralds were reused in Sonic 3, how it would fit into Sonic 2 was never quite known and this level in particular has only been found in an unfinished form. But now Christian Whitehead has gotten to add the level to the game, finished it up, and given it a proper conclusion - including a brand-new boss fight.

Finding the level isn’t too difficult: one particular quasi-bottomless pit near the middle of the game that would just kill players with spikes has become the entrance to Hidden Palace. You’ll probably discover it accidentally. Or, just watch the video below!

There’s still a good selection of secrets to be had. To access level select, go into No Save Mode, and tap on the letters S-E-G-A in order. Then, tap and hold with two fingers on the title screen to access the level select. Here you can select any level, including Hidden Palace.

You can use the Sound Test to put in cheats. Playing 4–1–2–6 will give you all 7 Chaos Emeralds. Playing 1–9–9–2–1–1–2–4 will unlock debug mode; tap in the upper left corner to turn into an item. Use the + and - icons that appear to cycle between icons. There’s some unused item boxes that can be placed, and ones that only appear in the two-player mode.

And oh, that’s been preserved too - and now the two-player race mode supports Game Center online multiplayer. There’s no iCade support, but MFi gamepads are supported.

Even beyond the new additions, considering that Sonic 2 is a game that holds up incredibly well to this day even without any additions, this is a must-have for fans and anyone who has yet to play this classic. The game is a free update to those who owned the previous original emulated version, and is available now.