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Green Hill Zone (8-bit)

From Sonic Retro

Image:Green Hill SMS.png

Green Hill Zone

First level, Sonic the Hedgehog (8-bit)

Number of Acts: 3
Level Cliche: Tropical Island Cliche
Boss: Green Hill Zone (8-bit) Act 3
Music:

Green Hill Zone is the first zone on Sonic the Hedgehog for Game Gear and Sega Master System.

It is loosely based on Green Hill Zone from the Sega Genesis version of the game, which was the original.

Contents

Differences

The differences between the Genesis version and the Game Gear/Master System version are fairly obvious. Less dynamic colours, with limitations caused by the hardware of the SMS/GG.

The blue background of the MD game is now somewhat paler, and the plants in the background do not animate quite the same.

Enemies

  • Moto Bug - Insect robots that scoot along the ground.
  • Crabmeat - Crab bot that shoots fireballs from its pincers
  • Buzz Bomber - Insect bot that shoots stinging fireballs

Level Map

Act 1

Act 2

Act 3

Walkthrough

Act One - This is the introductory level to the Sonic game. The first enemy is a small beetle on the ground, which you can either jump on or over, followed by a Buzz Bomber. To reach the end of the level, you must simply run from the left of the level to the right, avoiding obstacles, enemies, and spike-filled pits (which can be passed by jumping on small floating blocks in the air).

Act Two - You begin on the left of the level, and as you walk to the right, Sonic trips and falls through the ground. You end up in a cave near a Crabmeat. Navigate to the cave floor, move through to the water pools at the bottom of the level, and climb up ledges to get to the top of the "mountain". As you climb back up the cave (after having bounced back out of the cave using a spring), you will need to enter a cave on the left (so as to reach the top of the level). Instead of using the spring to reach the top, jump over the spring, fall down the water fall, and fall down the next one. On a ledge is the Chaos Emerald.

Technical Information

OffsetDescription
$627C Green Hill palette
$628C Green Hill cycling palette
$10000 Green Hill 32 x 32 mappings (184 tiles)
$155CA Green Hill level header pointer
$15AB4 Sprite Layout for Green Hill 1
$15B00 Sprite Layout for Green Hill 2
$15B43 Sprite Layout for Green Hill 3
$32FE6 Header for Green Hill art
$32FEE Line Pre-Load for Green Hill
$330EE Line selection for Green Hill
$337A8 Green Hill art data


Sonic the Hedgehog (8-bit)
Main Article | Enemies | Bosses | Magazine Articles | Game Secrets | Bugs | SCHG | Cheat Codes
Levels in Sonic the Hedgehog (8-bit)
Green Hill Zone | Bridge Zone | Jungle Zone | Labyrinth Zone | Scrap Brain Zone | Sky Base Zone | Bonus Stage