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Aquatic Ruin Zone

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Aquatic Ruin Zone
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Aquatic Ruin Zone

Aquaticruin.png

Aquatic Ruin Zone

Third level, Sonic the Hedgehog 2
Number of Acts: 2
Level theme: ancient ruins
Secondary level theme: underwater
Boss: Hammer Eggman
Maximum Rings, Act 1: 176 + 70
Maximum Rings, Act 2: 217 + 120
Underwater areas: Yes

Music:

Level icon: ARZiconS2.png


Aquatic Ruin Zone is the third zone in Sonic 2, and is the token underwater level of the game. Pieces of Roman ruins are dotted around this vast lake, and some of them have tendencies to rise out of the ground in front of you, break off the ceiling above you or sink into the water. There are also arrow launchers built into the pillars that will shoot arrows at you should you pass them.

In the Simon Wai prototype, this was actually the first level.

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

Offset Description
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


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Sonic the Hedgehog 2 (16-bit)
Sonic 2
Sonic2 title.png

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