Uploaded January 2011 | Updated September 2026, 2 weeks ago

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Since I haven't uploading a video for a year.[/oldjoke] Here is something for you all to enjoy; the Partner.Net build of SONIC 4 EPISODE I! I have one more surprise later this year. ;D

(Note: You can also see my 5-6 deaths, this is an UNEDITED video!)

General Changes:
-Sonic's full running animation is almost never used. This was changed in the Final.
-Level select screen uses pictures of levels instead of a landscape.
-The opening is different, it fades in from a white screen compared to the final. ESRB logo is also missing.
-Music is slightly changed.
-Different loading screen.
-Cannot go past the end-of-level border.
-Blue screen tile lacks animation.
-No lock-on SFX
-No way to progress to the next act without using the Level Select screen.
-Super Sonic uses invi. music.
-Special Stages lack the usage of the Dpad, you must use tilt controls. Lack of jump too.

SPLASH HILL Changes:

ACT1
-Sunflowers lack any dancing animation.

ACT2
-Nothing major, a few object changes.

ACT3
-Nothing major, a few object changes. Most notable is near the end; missing spikes.

BOSS
-Nothing.


CASINO STREET Changes:

ACT 1
-Nothing major, a few object changes.

ACT 2
-Everything.
-Lack of cards.
-Music. (Dear god.)

ACT 3
-Quite a few things; most notable near the end and the lower path.

BOSS
-Nothing

LOST LABYRINTH changes:

ACT 1
-Nothing major, a few changes in object placement.

ACT 2
-Everything.

ACT 3
-Faster wall and more objects during the chase, including a bubble that just stands there and hits you if you use the homing attack on an object.

BOSS
-Red Orbinauts are everywhere. That's about it though.

MAD GEAR Changes:

ACT 1
-More Asterons than normal. Quite a few of them were removed.

ACT 2
-Twice as many splicers and Asterons.
-Bubbles during the vertical moving gear. Including a red rail.

ACT 3
-Wall is much faster.
-Sirens lack any SFX.
-Some springs are missing and some springs are added.
-Two 1ups have been moved.

-E.G.G. Station
-Checkpoints have been added. (I'm pretty sure they lack any in the Final Build.)

-Ending/Credits
-The "Secret" lacks any SFX.