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Proto:Sonic the Hedgehog 2 (Genesis)/September 14th, 1992

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This is a sub-page of Proto:Sonic the Hedgehog 2 (Genesis).

This cactus is UNDER CONSTRUCTION
This article is a work in progress.
...Well, all the articles here are, in a way. But this one moreso, and the article may contain incomplete information and editor's notes.

Hiddenpalace.org logo.png  This prototype is documented on Hidden Palace.

The September 14, 1992 prototype of Sonic the Hedgehog 2 is a later build, dated 12 days before the final build. The build seems to have been created when the last features of the game were being added, with the EPROM calling the build a "Pre-Beta". It was released on November 9, 2019 as a part of Hidden Palace's Sonic Month.

Interestingly, the differences shown here are consistent with the Gamemaster Preview, suggesting they're the same build. As such, this prototype is sometimes known as the Gamesmaster prototype. Additionally, this is is the first build in which (nearly) all levels are completable.

Sub-Page

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Level Differences
Levels are looking like the final game now.

Attract Mode/Level Select

Nick Arcade to August 21, 1992 September 14, 1992 to Beta 4 Beta 5
Get out of my way, Tails! Now with options! In case we weren't clear enough, there is now a badge next to the item you are selecting.

This is the first known title screen to have the menu present, while everything else is identical to earlier builds. This title screen is famous for appearing in non-Japanese manuals.

  • Demos still use their Nick Arcade inputs, which remains the same for all prototypes.
  • Demos will load the title card of the stage it is playing the demo of, causing the font to glitch out.
  • The Level Select still uses the Sonic 1 setup. Hidden Palace is no longer able to be selected, with Wood and Genocide City being absent alongside the second Act of Death Egg.

General Differences

  • Spikes will still damage Sonic/Tails while they're in the brief invulnerability state after being hurt, just like in Sonic 1.
  • Super Sonic is close to completion, with all of his abilities being present. However, the ring drain still has not been implemented. The unused monitor from the Simon Wai build is still able to be placed in Debug Mode, this time giving Super Sonic all of his abilities instead of just the palette.
  • Tails' AI has been worked on and is now similar to the final game's.
  • Debug's rules now match the final game, although Tails can still automatically be brought to Sonic's location by entering and exiting.
  • The unlimited time limit from previous builds is now disabled.

Graphical Differences

  • Checkpoints and invincibility still use their old art.
  • Crawl uses an updated version of its old art, now having more shading and better colors, along with being a bit shorter. Crawl is still stationary as well.
Nick Arcade to August 21 September 14
Sonic2CrawlEarly.gif Sonic2CrawlPreBeta.gif

Sound Differences

  • Starting with this build, the background music is almost identical to the final version. The only exception is the credits theme, which is slightly different. The sound driver is not yet optimized on European consoles.
  • While all sound effects have been added, most of them are not used yet.
September 14th Prototype Final Build