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Aquatic Ruin Zone

From Sonic Retro

Image:aquaticruin.png

Aquatic Ruin Zone

Third level, Sonic the Hedgehog 2

Number of Acts: 2
Level cliché: Ancient Ruins cliché
Boss: Hammer Eggman
OSV: Sonic the Hedgehog 2 OSV
Maximum Rings, Act 1: 176 + 70
Maximum Rings, Act 2: 217 + 120
Underwater areas: Yes
Music:

Aquatic Ruin Zone is the third zone in Sonic 2.

Contents

Instruction Manual Description

Roaming Romans infest a beautiful forest and sunken lake. Explore an intricate maze. If you're underwater, breathe the air bubbles to keep from drowning. A countdown begins when your oxygen's running out.

Sonic 2 US Manual, p. 13

Sonic Team Commentary (from Sonic Jam Strategy Guide)

The top and bottom of this stage are built completely differently. The loops along the top are a bit different from normal. The water, also, had to have the transparency set exactly right. And then, there are so many places where the routes intersect! From Sonic 2 on, we took a patent in America.

Yuji Naka

Enemies

  • Grounder - Drill enemy, hides behind walls and appears when Sonic approaches.
  • Whisp - Fly enemy, attacks in swarms.
  • Chop Chop - Piranha enemy, moves around slowly underwater.

Technical Information

OffsetDescription
0F Aquatic Ruin Zone
$2F42 ARZ Palette
$2FA2 ARZ Underwater Palette
$D4AE ARZ layer deformation info
$3FF24 Dynamic pattern reloading for ARZ
$4077A ARZ misc sprite mappings
$42438 ARZ object debug list
$45610 ARZ primary 16x16 collision index
$45760 ARZ secondary 16x16 collision index
$48E94 ARZ act 1 level layout
$49264 ARZ act 2 level layout
$BB944 ARZ 16x16 block mappings
$BCC24 ARZ main level patterns
$C1434 ARZ 128x128 block mappings
$E6294 ARZ act 1 ring locations
$E642E ARZ act 2 ring locations


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)
Dust Hill Zone | Genocide City/Cyber City Zone | Hidden Palace Zone | Rock Zone | Wood Zone | Winter level