Submitted by: Unknown

The rings are a fair bit higher up in the final compared to these, there are also six instead of 4, but that may be because Sonic has collected them.

Submitted by: Unknown

Besides the obvious "Ring" change, the background is also a lot more basic, with little foliage surrounding it. They may not have gotten all sections of the scrolling in yet.

Submitted by: Unknown

Much like the area in Act 1, Sonic gets ontop of the giant rolling ball object, apd appears to have killed an enemy with it, showing it's use.

Submitted by: Unknown

Sonic has hit the invincible monitor from below, breaking it. In the final you must first hit down the monitor with one hit, and then break it open from above.

Submitted by: Unknown

The flowers are green, meaning a later build, but the HUD still says "RING".

Submitted by: Unknown

This picture sports a pink flower. not seen in the final game. Also, there is a set of spikes at the top of this mountiain in the final. Also there is a different type of debug present, which appears in the bottom right of the picture, instead of appearing within the score.

Submitted by: Unknown

Merely the "Ring" status is different here.

Submitted by: James Herriott

Sonic punching the air? Supposedly that is what Sonic was able to do in the prototype versions of Sonic 1. This would happen when you jumped into the air after you finished an act, say nconfirmed sources. notice how the counter also says 'Ring' instead of 'Rings'.