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Sonic 2 Delta

From Sonic Retro

S2Delta.png
Sonic 2 Delta
Version: v0.72
Last release: 2021-11-13
Status: Active
System: Sega Mega Drive
Original game: Sonic the Hedgehog 3 & Knuckles
Credits: Esrael

Sonic Delta 40 Mb (formerly Sonic 2 Delta) is a groundbreaking series of ROM hacks by famed Sonic scene member Esrael Neto, which restores several deleted levels and prototype elements to Sonic the Hedgehog 2 for the Sega Mega Drive. Various features of Sonic Delta 40 Mb, common across the series despite the existence of several versions/branches of the hack, include the use of art and music from the betas and Sonic the Hedgehog and re-implementation of badniks that had been removed from the final game. Several original boss fights have also been created for the hack.

The main version of this hack is entitled Sonic Delta 40 Mb and was based upon the Simon Wai prototype, before version 0.24 transferred the codebase to ‘revision 2’ of Sonic 2 from Sonic Compilation and before version 0.29 transferred to the Sonic the Hedgehog 3 & Knuckles codebase. More information on the various lineages and their history is detailed in the section “Other versions” below.

A hack similar in concept, called Sonic 2 Long Version, has been released by another hacker, Sonic Hachelle-Bee.

Levels

The order of levels is directly as shown in the newly implemented Data Select menu:

Options Menu

Version 0.68 introduced an options menu, which primarily lets you switch different music options in the game as listed below:

  • Sonic 2 invincibility theme: applies to all invincibility monitors in the Sonic 2 and scrapped beta stages, you can choose from the final invincibility music in Sonic 2, the prototype music (which is also the final Super Sonic music), Sonic 3's invincibility theme, or the Super Sonic music from the Sonic & Knuckles Collection.
  • Sonic 2 super theme: applies to super transformations in the Sonic 2 and scrapped beta stages, you can choose between the final super music, the Sonic 2 and Sonic 3 invincibility themes, or just to continue playing the level's music.
  • Sonic 2 boss theme: applies to all boss fights in the Sonic 2 and scrapped beta stages, you can pick between the prototype and final versions.
  • Hidden Palace Zone: applies to Sonic 2's Hidden Palace Zone, you can pick between prototype (Mystic Cave Zone's 2-player music) and final (unused in final Sonic 2) music.
  • Sonic 3 invincibility theme: applies to invincibility monitors in the S3&K zones, you can pick between Sonic 3, Sonic & Knuckles, and the prototype invincibility music.
  • Sonic 3 super theme: applies to super transformations in the S3&K zones, you can pick between all of the Sonic 3 invincibility music options or to just continue playing the level's music.
  • Sonic 3 mini boss theme: applies to all Act 1 bosses, you can pick between the prototype and final music.
  • Carnival Night Zone, Icecap Zone, Launch Base Zone: each individual option allows you to pick between prototype and final music.
  • Knuckles's theme: you can pick between Sonic 3, Sonic & Knuckles, and the prototype theme.

Additionally, the options menu includes special credits for everyone who contributed to the hack; access to the "Get Blue Spheres!" minigame that's seen when locking on Sonic 1 to Sonic & Knuckles; and a sound test that includes music arranged from several Master System Sonic games, the Sonic 3D Blast boss music, and the Virtua Racing menu (the lattermost of which is also the music that plays upon opening the options menu). This sound test is where you can enter in cheat codes (Level Select is 1-9-9-1-0-6-2-3, Debug Mode is 1-9-9-2-1-1-2-4, All Chaos Emeralds is 1-9-9-4-0-2-0-2, All Super Emeralds is 1-9-9-4-1-0-1-8, and Bridge Zone is 1-9-7-7-0-9-0-5). Once you enter the Bridge Zone cheat code, its music will play and the Play "Bridge" option will appear below the sound test, allowing you to play both acts of Bridge Zone.

Downloads

The "latest version" is definitely out of date. For the most up-to-date version, go to the official website.

Latest version (available on this site)

Download.svg Download Sonic 2 Delta
File: Sonic_Delta_v065.rar (2.83 MB) (info)
Current version: v0.65

Prior versions

Other versions

As well as the main branch, titled simply Sonic Delta 40 Mb, Esrael has also created several hacks based upon other versions of Sonic 2.

Sonic 2 Delta II

A hack of the final version of Sonic the Hedgehog 2.

Download.svg Download Sonic 2 Delta II
File: Sonic_2_Delta_2_V0.10a.zip (997 kB) (info)
Current version: 0.10a

Sonic 2 Delta III

A hack of Revision 02 of Sonic the Hedgehog 2.

Download.svg Download Sonic 2 Delta III
File: Sonic_2_Delta_III_V0.2.zip (845 kB) (info)
Current version: 0.2

Sonic 2 Delta 0

A hack of the Nick Arcade prototype of Sonic 2.

Download.svg Download Sonic 2 Delta 0
File: Sonic_2_Delta_0_V0.03.rar (564 kB) (info)
Current version: 0.03

Sonic 2 Delta IV

The newest edition of Sonic 2 Delta, based on Sonic 2 Beta 4.

Download.svg Download Sonic 2 Delta IV
File: Sonic_2_Delta_4_V0.01.rar (713 kB) (info)
Current version: 0.01


See also

External links

Sonic Retro
Release thread
at Sonic Retro.

References