Sonic the Hedgehog 4: Episode I (Feb 9, 2010 Sony QA Network prototype)

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Title Screen
Sonic the Hedgehog 4: Episode I (Feb 9, 2010 Sony QA Network prototype)
Dump status Undumped
Origin Digital Download
Game Sonic the Hedgehog 4: Episode I
System PlayStation 3
Genre Platform
Release date JP Oct 12, 2010
US Oct 15, 2010
EU Oct 11, 2010

A prototype of Sonic the Hedgehog 4: Episode I for PlayStation 3, released through Sony QA Network.

Notes

  • As of now the build hasn't dumped, but here's the differences from the Sonic Retro's page about it:

General Differences

  • Level select screen uses pictures of levels instead of a landscape.
  • Levels use the loading screen briefly, instead of animating the title card screen.
  • No way to progress to the next act without using the Level Select screen.
  • In this beta build, instead of Sonic popping out of the logo for the game, the entire logo flashed, along with Sonic, then he wagged his finger.

Music Differences

  • Casino Street Zone Act 2 has a completely different song.
  • There is no sound effect played when locking onto a homing attack target.

Level Differences

  • Casino Street Zone's Act 2 contains the 100,000 Point Challenge, a short score attack level in a pinball-style area, Removed in the console version Act 2 has a different music track which was appropriate for the score attack level. Replaced in the final version.
  • Lost Labyrinth Zone's Act 2 contains the controversial Mine Cart level where Sonic remained in the cart throughout the level, which controlled poorly. It is controlled using the PlayStation 3's Sixaxis motion control function. The Mine Cart section is reduced greatly and plays automatically in the final version.
  • Unlike the final build, the Special Stage is played by using Sixaxis motion control controls. In the final build, Sixaxis motion control is merely optional as the default controls use the analog stick instead.