Game Secrets:Sonic the Hedgehog 2 (16-bit)
From Sonic Retro
Lost Sprites
| Artwork | Name | Description |
|---|---|---|
 | ARZ Barrier | Unused door barriers from Aquatic Ruin Zone. |
 | Unused Balkiry Frame | Unused frame of the Balkiry badnik with landing gear. |
 | Walking Turtle | Walking sprites of the turtles that pop out of the badniks in Sky Chase Zone. Normally you'll never see this, since the badnik never has the opportunity to hit the ground. |
 | HPZ Icon | Level Select icon for Hidden Palace Zone, which never made it into the final game. |
 | WFZ Laser | Large laser shooting through a spinning platform in Wing Fortress Zone. Never seen in-game. |
 | MCZ Ring Platform | Weird platform made of rings, placeable using debug mode. It moves back and forth depending on which side you stand on. |
 | WFZ Spinning Pole | Weird spinning pole that acts like a badnik - you can destroy it, and it can hurt you, but it doesn't actually move. |
 | Static TV Monitor | Powerup monitor which harms you when broken. Never seen in-game. |
True Level Order
The level order that is used during gameplay is actually quite different from the intended order according to the level slots. A simple level select Pro Action Replay code (FFFE10:??00) can be used to verify this:
| Order in gameplay | Actual |
|---|---|
| Emerald Hill Zone | Emerald Hill Zone (00) |
| Chemical Plant Zone | Metropolis Zone (04/05) |
| Aquatic Ruin Zone | Wing Fortress Zone (06) |
| Casino Night Zone | Hill Top Zone (07) |
| Hill Top Zone | Oil Ocean Zone (0A) |
| Mystic Cave Zone | Mystic Cave Zone (0B) |
| Oil Ocean Zone | Casino Night Zone (0C) |
| Metropolis Zone | Chemical Plant Zone (0D) |
| Sky Chase Zone | Death Egg Zone (0E) |
| Wing Fortress Zone | Aquatic Ruin Zone (0F) |
| Death Egg Zone | Sky Chase Zone (10) |
Level slots 01,02,03,05,09 all lead to Emerald Hill Zone and 08 is actually Hidden Palace. In the Sonic the Hedgehog 2 (Simon Wai prototype) some of these were used for scrapped levels. 02 was used for Wood Zone and 0E was used for Genocide City Zone.
Commentary found in the Sonic Jam strategy guide reveals that the level order could have been even more different. It states that Chemical Plant Zone was meant to be the 10th zone back when the game was planned as a 18 zone game.
| Sonic the Hedgehog 2 (16-bit) |
|---|
| Main Article (S2K) | Enemies | Bosses | Magazine Articles | Game Development | Game Secrets | Bugs | SCHG | OSV | Cheat Codes (S2K) |
| Levels in Sonic the Hedgehog 2 (16-bit) |
| Emerald Hill Zone | Chemical Plant Zone | Aquatic Ruin Zone | Casino Night Zone | Hill Top Zone | Mystic Cave Zone | Oil Ocean Zone | Metropolis Zone | Sky Chase Zone | Wing Fortress Zone | Death Egg Zone | Special Stage |
| Scrapped Levels in Sonic the Hedgehog 2 (16-bit) |
| Hidden Palace Zone | Wood Zone | Genocide City Zone | Desert Zone | Winter level | Rock Zone |
